180 results on '"Meyer, Eric C."'
Search Results
152. Thomas J. J. Altizer's Construction of Ultimate Reality and Meaning
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Meyer, Eric C, primary
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- 1978
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153. Longitudinal determinants of client treatment satisfaction in an intensive first-episode psychosis treatment programme.
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Cruz, Lisa N., Kline, Emily, Seidman, Larry J., Minor, Kyle S., Meyer, Eric C., Iati, Carina, Zimmet, Suzanna V., and Friedman‐Yakoobian, Michelle
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COMMUNITY mental health services ,CLIENT satisfaction ,PSYCHOSES ,PSYCHIATRIC treatment ,PATIENT satisfaction ,SCHIZOPHRENIA ,COGNITION - Abstract
Aim Previous evidence demonstrates that higher treatment satisfaction is strongly associated with improved clinical outcomes and functioning. The aim of the current study is to explore potential associations between clinical and demographic attributes, as well as changes in role, social and cognitive functioning occurring over the course of treatment, on self-reported treatment satisfaction within the context of an intensive first-episode psychosis intervention programme. Methods Forty-four young adults attending a first-episode psychosis treatment programme completed a battery of clinical and neuropsychological measures at intake to the programme and again after 6 months of treatment. A modified version of the Client Satisfaction Questionnaire was administered at 6 months. Baseline, 6-month and change scores across the clinical and demographic measures were examined relative to the satisfaction questionnaire to evaluate determinants of treatment satisfaction. Results Better premorbid adjustment during childhood and early adolescence was associated with higher treatment satisfaction, as did positive changes in clients' cognitive performance and their use of humour as a coping strategy. Clients' use of emotional support as a coping strategy at 6 months was also positively associated with treatment satisfaction. Although clients' social and role functioning improved significantly during the 6-month treatment window, changes in functional outcomes were not significantly associated with treatment satisfaction. Conclusions The current study highlights the role of premorbid adjustment and changes in coping and neurocognition as factors influencing treatment satisfaction. Future research designs might be able to more specifically ascertain causal relationships between patient characteristics, treatment components, client satisfaction and clinical effects. [ABSTRACT FROM AUTHOR]
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- 2017
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154. Reviews – Besprechungen – Comptes rendus.
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Feld, Lars P., Funk, Lothar, Srinivasan, Jeena T., Hansjurgens, Bernd, Rossi, Sergio, Rao, D. Tripati, Sathyapalan, Jyothis, Farvaque, Etienne, Kilchenmann, Christoph, Torgler, Benno, Goldschmidt, Nils, Padhi, Satya Prasad, Margreiter, Magdalena, Hediger, Werner, Schaltegger, Christoph A., Kerstens, Kristiaan, van Bergeijk, Peter, Meyer, Eric C., and Wei, Jong-Shin
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- INITIATIVE & Referendum in California 1898-1998, The (Book), BUNDNIS fur Arbeit (Book), SUSTAINING Development Environmental Resources in Developing Countries (Book)
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Books reviewed: Allswang, John M., The Initiative and Referendum in California, 1898-1998 . Berthold, Norbert und Rainer Hank, Bündnis für Arbeit: Korporatismus statt Wettewerb . Bromley, Daniel W., Sustaining Development Environmental Resources in Developing Countries . Buchanan, James M. and Roger D. Congleton, Politics by principle, Not Interest . de Haan, Jakob (ed.), The History of the Bundesbank . Eijffinger, Sylvester C. W. and Jakob de Haan, European Monetary and Fiscal Policy . Faccarello, Gilbert, The Foundations of Laissez-Faire: The Economics of Pierre de Boisguilbert . Faucheux Sylvie, John Gowdy and Isabelle Nicolai, Sustainability and Firms . Garber, Peter M., Famous First Bubbles . Hanson, Philip and Michael Bradshaw (eds.), Regional Economic Change in Russia . Jean, François und Jean-Christophe Rufin (Hrsg.), Ökonomie der Bürgerkriege . Kern, William S. (ed.), The Economics of Sports . Koslowski, Peter (ed.), Contemporary Economic Ethics and Business Ethics . Lee, Frederic S., Post-Keynesian Price Theory . Lohmann, Dieta, Umweltpolitische Kooperationen zwischen Staat und Unternehmen aus Sicht der Neuen Institutionenökonomik . Neumayer, Eric, Weak versus Strong Sustainability: Exploring the Limits of Two Opposing Paradigms . Poterba, James M. and Jürgen von Hagen (eds.), Fiscal Institutions and Fiscal Performance . Rose-Ackerman, Susan, Corruption and Government . Schwartz, Hugh, Rationality Gone Awry? Sengupta, Jati K., New Growth Theory . Stahler, Frank, Economic Games and Strategic Behaviour . Sunstein, Cass R. (ed.), Behavioural Law and Economics . Weele, Erich, Aisen und der Westen . Wegner, Gerhard unde Josef Wieland (Hrsg.), Formelle und informelle Institutionen . Weisbrod, Burton A. (ed.), To Profit or Not to Profit: The Dilemma of Commercializing the Non-Profit Sector . Welfens, Paul J.J. and Evgeny Gavrilenkov (eds.), Restructuring, Stabilizing and Modernizing the New Russia . Welfens, Paul J.J.... [ABSTRACT FROM AUTHOR]
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- 2001
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155. The influence of cannabis use disorder on post-traumatic stress disorder symptoms, depression symptoms, and non-suicidal self-injury among college students.
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Blessing, Alexis, Russell, Patricia D., DeBeer, Bryann B., Kimbrel, Nathan A., Meyer, Eric C., and Morissette, Sandra B.
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Abstract
Objective: The interrelationships between cannabis use disorder (CUD), post-traumatic stress disorder (PTSD) and depressive symptoms, and non-suicidal self-injury (NSSI) were examined.Participants: Undergraduates (N = 363) who reported using cannabis within the past six months were recruited.Method: Mediation analyses was conducted to examine if CUD symptoms were indirectly associated with greater risk for engagement in current NSSI through more severe PTSD and depression symptoms. A factor comprised of PTSD-depression symptoms was created given PTSD and depression symptoms were highly correlated.Results: Greater CUD symptom severity indirectly increased risk for current NSSI via more severe PTSD-depression symptoms, after accounting for gender and alcohol use disorder symptoms.Conclusion: The current study provides preliminary evidence for the negative consequences of CUD on college students’ mental health symptoms and engagement in NSSI, and future longitudinal research is needed to examine the dynamic relationships between CUD, PTSD-depression symptoms, and NSSI over time. [ABSTRACT FROM AUTHOR]- Published
- 2022
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156. Massed vs Intensive Outpatient Prolonged Exposure for Combat-Related Posttraumatic Stress Disorder: A Randomized Clinical Trial.
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Peterson AL, Blount TH, Foa EB, Brown LA, McLean CP, Mintz J, Schobitz RP, DeBeer BR, Mignogna J, Fina BA, Evans WR, Synett S, Hall-Clark BN, Rentz TO, Schrader C, Yarvis JS, Dondanville KA, Hansen H, Jacoby VM, Lara-Ruiz J, Straud CL, Hale WJ, Shah D, Koch LM, Gerwell KM, Young-McCaughan S, Litz BT, Meyer EC, Blankenship AE, Williamson DE, Roache JD, Javors MA, Sharrieff AM, Niles BL, and Keane TM
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- Humans, Male, Adult, Female, Outpatients, Treatment Outcome, Stress Disorders, Post-Traumatic therapy, Military Personnel, Veterans
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Importance: Improved, efficient, and acceptable treatments are needed for combat-related posttraumatic stress disorder (PTSD)., Objective: To determine the efficacy of 2 compressed prolonged exposure (PE) therapy outpatient treatments for combat-related PTSD., Design, Setting, and Participants: This randomized clinical trial was conducted among military personnel and veterans at 4 sites in Texas from 2017 to 2019. Assessors were blinded to conditions. Data were analyzed from November 2020 to October 2022., Interventions: The interventions were massed-PE, which included 15 therapy sessions of 90 minutes each over 3 weeks, vs intensive outpatient program PE (IOP-PE), which included 15 full-day therapy sessions over 3 weeks with 8 treatment augmentations. The IOP-PE intervention was hypothesized to be superior to massed-PE., Main Outcomes and Measures: Coprimary outcomes included the Clinician-Administered PTSD Scale for Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition) (DSM-5) (CAPS-5) and the PTSD Checklist for DSM-5 (PCL-5) administered at baseline and posttreatment follow-ups. Measures ranged from 0 to 80, with higher scores indicating greater severity. Diagnostic remission and reliable change were secondary outcomes., Results: Among 319 military personnel and veterans screened, 234 were randomized (mean [SD] age, 39.20 [7.72] years; 182 [78%] male participants), with 117 participants randomized to IOP-PE and 117 participants randomized to massed-PE. A total of 61 participants (26%) were African American, 58 participants (25%) were Hispanic, and 102 participants (44%) were White; 151 participants (65%) were married. Linear mixed-effects models found that CAPS-5 scores decreased in both treatment groups at the 1-month follow-up (IOP-PE: mean difference, -13.85 [95% CI, -16.47 to -11.23]; P < .001; massed-PE: mean difference, -14.13 [95% CI, -16.63 to -11.62]; P < .001). CAPS-5 change scores differed from 1- to 6-month follow-ups (mean difference, 4.44 [95% CI, 0.89 to 8.01]; P = .02). PTSD symptoms increased in massed-PE participants during follow-up (mean difference, 3.21 [95% CI, 0.65 to 5.77]; P = .01), whereas IOP-PE participants maintained treatment gains (mean difference, 1.23 [95% CI, -3.72 to 1.27]; P = .33). PCL-5 scores decreased in both groups from baseline to 1-month follow-up (IOP-PE: mean difference, -21.81 [95% CI, -25.57 to -18.04]; P < .001; massed-PE: mean difference, -19.96 [95% CI, -23.56 to -16.35]; P < .001) and were maintained at 6 months (IOP-PE: mean change, -0.21 [95% CI, -3.47 to 3.06]; P = .90; massed-PE: mean change, 3.02 [95% CI, -0.36 to 6.40]; P = .08). Both groups had notable PTSD diagnostic remission at posttreatment (IOP-PE: 48% [95% CI, 36% to 61%] of participants; massed-PE: 62% [95% CI, 51% to 73%] of participants), which was maintained at 6 months (IOP-PE: 53% [95% CI, 40% to 66%] of participants; massed-PE: 52% [95% CI, 38% to 66%] of participants). Most participants demonstrated reliable change on the CAPS-5 (61% [95% CI, 52% to 69%] of participants) and the PCL-5 (74% [95% CI, 66% to 81%] of participants) at the 1-month follow-up., Conclusions and Relevance: These findings suggest that PE can be adapted into compressed treatment formats that effectively reduce PTSD symptoms., Trial Registration: ClinicalTrials.gov Identifier: NCT03529435.
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- 2023
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157. A prospective study of firefighters' PTSD and depression symptoms: The first 3 years of service.
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Gulliver SB, Zimering RT, Knight J, Morissette SB, Kamholz BW, Pennington ML, Dobani F, Carpenter TP, Kimbrel NA, Keane TM, and Meyer EC
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- Adult, Depression etiology, Female, Firefighters statistics & numerical data, Humans, Interview, Psychological, Male, Middle Aged, Occupational Diseases etiology, Occupational Diseases psychology, Prospective Studies, Psychiatric Status Rating Scales, Risk Factors, Stress Disorders, Post-Traumatic etiology, Young Adult, Depression epidemiology, Firefighters psychology, Occupational Diseases epidemiology, Stress Disorders, Post-Traumatic epidemiology
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Objective: Firefighters are an important sample of convenience to study traumatic exposure and symptom development. This study assessed trauma exposure inside and outside of fire service, diagnosed posttraumatic stress disorder (PTSD) and associated disorders using clinical interviews and self-report measures, then tested the hypothesis that trauma exposure would predict distress in firefighters over the first 3 years in service. Method: In total, 322 professional firefighter recruits were assessed during academy training and through their first 3 years of service. Diagnostic assessments were conducted by psychologists annually, and symptom checklists were completed by telephone every 4 months. Results: Firefighter recruits were exposed to approximately nine potentially traumatic events (PTEs) in the first 3 years of fire service, with 66% of these events occurring in the line of duty. Very few (3%) developed diagnoses of PTSD, major depression, or generalized anxiety disorder. Models of distress supported a trait model of distress. Distress was stable within individuals over time, and although those reporting more distress also reported more trauma exposure, variation in distress over time was not predicted by trauma exposure. Conclusions: Professional firefighters experience frequent exposure to potentially traumatic events during their early careers. This exposure, although large, does not result in a large proportion of mental health diagnoses. Distress was consistent and low, which provides evidence of the resilient nature of those selecting a career in emergency service. Future work is needed to understand the disconnection between the current rigorously collected prospective data and the existing literature regarding the increased risk of PTSD and associated disorders in fire service. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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- 2021
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158. Quetiapine augmentation of prolonged exposure therapy in veterans with PTSD and a history of mild traumatic brain injury: design and methodology of a pilot study.
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Baig MR, Beck RD, Wilson JL, Lemmer JA, Meraj A, Meyer EC, Mintz J, Peterson AL, and Roache JD
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- Brain Concussion physiopathology, Humans, Implosive Therapy methods, Pilot Projects, Quetiapine Fumarate therapeutic use, Stress Disorders, Post-Traumatic physiopathology, Texas, Treatment Outcome, Veterans statistics & numerical data, Brain Concussion drug therapy, Quetiapine Fumarate pharmacology, Stress Disorders, Post-Traumatic drug therapy, Veterans psychology
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Background: Selective serotonergic reuptake inhibitors (SSRIs) are first-line pharmacologic treatments for patients with posttraumatic stress disorder (PTSD), but must be given over extended period of time before the onset of action. The use of SSRIs in PTSD patients with mild traumatic brain injury (mTBI) is problematic since SSRIs could exacerbate post-concussion syndrome (PCS) symptoms. VA/DOD guidelines identify trauma-focused psychotherapy as the best evidence-based treatment for PTSD, but overall effectiveness is limited by reduced levels of patient engagement and retention. A previous study from this research group suggested that quetiapine monotherapy, but not risperidone or valproate, could increase engagement in trauma-focused psychotherapy., Methods: We report the study protocol of a pilot study funded under the South-Central Mental Illness Research, Education, and Clinical Center pilot study program from the U.S. Department of Veterans Affairs. This randomized, open-label study was designed to evaluate the feasibility of completing a randomized trial of quetiapine vs. treatment as usual to promote patient engagement in PTSD patients with a history of mTBI., Discussion: We expect that the success of this ongoing study should provide us with the preliminary data necessary to design a full-scale randomized trial. Positive efficacy results in a full- scale trial should inform new VA guidelines for clinical practice by showing that quetiapine-related improvements in patient engagement and retention may be the most effective approach to assure that VA resources achieve the best possible outcome for veterans., Trial Registration: NCT04280965 .
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- 2020
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159. Psychological inflexibility predicts PTSD symptom severity in war veterans after accounting for established PTSD risk factors and personality.
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Meyer EC, La Bash H, DeBeer BB, Kimbrel NA, Gulliver SB, and Morissette SB
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- Adult, Afghan Campaign 2001-, Female, Follow-Up Studies, Humans, Interview, Psychological, Iraq War, 2003-2011, Longitudinal Studies, Male, Middle Aged, Personality, Personality Tests, Prognosis, Psychiatric Status Rating Scales, Risk Factors, Severity of Illness Index, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic epidemiology, Young Adult, Mental Processes, Stress Disorders, Post-Traumatic psychology, Veterans psychology
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Objective and Method: Numerous risk factors for posttraumatic stress disorder (PTSD) have been identified; however, many do not inform treatment. Psychological inflexibility is a modifiable factor that can be targeted in psychological treatment. This study examined whether higher levels of psychological inflexibility predicted unique variance in PTSD symptom severity at 1-year follow-up in 236 U.S. veterans of the wars in Iraq in Afghanistan after accounting for the strongest known risk factors for PTSD. PTSD symptom severity was assessed using the Clinician Administered PTSD Scale., Results: In hierarchical regression analyses, higher baseline psychological inflexibility predicted unique variance in 1-year PTSD symptom severity (p < .001, medium effect) after accounting for the strongest predictors, including: serving in the Army, rank, trauma severity, perceived threat, peritraumatic dissociation, recent life stress, and social support. Psychological inflexibility remained a significant predictor of unique variance in 1-year PTSD symptom severity after accounting for all other predictors and personality factors (neuroticism, extroversion, openness to experience, agreeableness, and conscientiousness; p < .001, small effect) and after accounting for all other predictors, personality factors, and baseline PTSD avoidance symptoms (p < .001; small effect)., Conclusions: Findings indicate a key unique association between psychological inflexibility and PTSD symptom severity over time that is not attributable to overlap with personality or PTSD avoidance symptoms. Additional research on psychological inflexibility in the development and maintenance of PTSD is warranted, as well as whether increasing psychological flexibility leads to reductions in PTSD symptoms and improved psychosocial functioning. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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- 2019
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160. Experiential avoidance as a mediator of the association between posttraumatic stress disorder symptoms and social support: A longitudinal analysis.
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Kelly MM, DeBeer BB, Meyer EC, Kimbrel NA, Gulliver SB, and Morissette SB
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- Adult, Afghan Campaign 2001-, Female, Humans, Iraq War, 2003-2011, Longitudinal Studies, Male, Resilience, Psychological, Avoidance Learning, Social Support, Stress Disorders, Post-Traumatic psychology, Veterans psychology
- Abstract
Objective: Veterans with posttraumatic stress disorder (PTSD) often experience difficulties with social reintegration after deployment. Experiential avoidance, the tendency to avoid unwanted thoughts, feelings, and bodily sensations (including in response to interactions with others) may be a key factor that explains the association between PTSD symptoms and postdeployment social support. The present study evaluated whether experiential avoidance mediates the association between PTSD symptoms and perceptions of postdeployment social support., Method: Veterans (n = 145) who served in support of the conflicts in Iraq and Afghanistan were enrolled in a study evaluating returning veterans' experiences. Participants were evaluated at an initial baseline assessment and 8-months later. Participants completed the lifetime Clinician Administered PTSD Scale and the Acceptance and Action Questionnaire-II at baseline, as well as the Deployment Risk and Resilience Inventory-Post Deployment Social Support Questionnaire at the 8-month assessment., Results: Baseline experiential avoidance mediated the association between lifetime PTSD symptoms and 8-month social support., Conclusions: Experiential avoidance may be an important target for treatment to improve long-term functional recovery and reintegration. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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- 2019
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161. Predictors of recovery from post-deployment posttraumatic stress disorder symptoms in war veterans: The contributions of psychological flexibility, mindfulness, and self-compassion.
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Meyer EC, Szabo YZ, Frankfurt SB, Kimbrel NA, DeBeer BB, and Morissette SB
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- Adult, Humans, Male, Middle Aged, Prognosis, Severity of Illness Index, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic psychology, United States, Young Adult, Empathy physiology, Mindfulness, Resilience, Psychological, Stress Disorders, Post-Traumatic therapy, Veterans psychology
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Posttraumatic stress disorder (PTSD) is a major challenge among war veterans. This study assessed the contribution of several interrelated, modifiable psychosocial factors to changes in PTSD symptom severity among combat-deployed post-9/11 Veterans. Data were drawn from a longitudinal study of predictors of mental health and functional outcomes among U.S. Iraq and Afghanistan war Veterans (N = 117). This study assessed the unique contribution of psychological flexibility, mindfulness, and self-compassion to PTSD recovery, after accounting for established predictors of PTSD chronicity, including combat exposure, alcohol use problems, and traumatic brain injury. PTSD symptom severity was assessed using a clinician-administered interview, and PTSD recovery was defined as the change in symptom severity from lifetime worst severity, measured at baseline, to current severity at one-year follow-up. A mindful awareness latent factor comprised of all three variables measured at baseline predicted PTSD recovery beyond the other predictors of PTSD chronicity (f
2 = 0.30, large effect). Each construct predicted PTSD recovery when tested individually. When tested simultaneously, self-compassion, but not mindfulness or psychological flexibility, predicted PTSD recovery. These findings suggest that mindful awareness of emotional distress predicts recovery from PTSD symptoms in war veterans, which supports the utility mindfulness-based interventions in promoting post-trauma recovery., (Published by Elsevier Ltd.)- Published
- 2019
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162. Predictors of lower-than-expected posttraumatic symptom severity in war veterans: The influence of personality, self-reported trait resilience, and psychological flexibility.
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Meyer EC, Kotte A, Kimbrel NA, DeBeer BB, Elliott TR, Gulliver SB, and Morissette SB
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- Adaptation, Psychological physiology, Adult, Afghan Campaign 2001-, Combat Disorders psychology, Depression psychology, Female, Humans, Iraq War, 2003-2011, Longitudinal Studies, Male, Personality, Self Report, Sex Offenses psychology, War Exposure, Resilience, Psychological, Stress Disorders, Post-Traumatic psychology, Veterans psychology
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Resilience following traumatic events has been studied using numerous methodologies. One approach involves quantifying lower-than-expected levels of a negative outcome following trauma exposure. Resilience research has examined personality and coping-related factors. One malleable factor is psychological flexibility, or the context-dependent ability/willingness to contact the present moment, including emotional distress, in order to engage in valued actions. Among 254 war Veterans who participated in a longitudinal study, we operationalized resilience as lower-than-expected PTSD symptoms and PTSD-related functional impairment one-year following an initial post-deployment assessment based on lifetime exposure to childhood trauma, combat trauma, and sexual trauma during military service. We evaluated the contribution of personality factors, self-reported trait resilience, and psychological flexibility, measured using the Acceptance and Action Questionnaire-II, to PTSD-related resilience after accounting for lifetime and current PTSD symptom severity and depression symptom severity. In hierarchical regression analyses, neither specific personality factors nor self-reported resilience predicted PTSD-related resilience at follow-up after accounting for PTSD and depression symptoms. In the final step, psychological flexibility predicted unique variance and was the only significant predictor of PTSD-related resilience aside from baseline PTSD symptom severity. Findings indicate that psychological flexibility is a predictor of resilience that is distinct from psychiatric symptoms, personality, and self-reported resilience. Trauma survivors may benefit from interventions that bolster psychological flexibility., (Copyright © 2018. Published by Elsevier Ltd.)
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- 2019
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163. A Cross-Lagged Panel Approach to Understanding Social Support and Chronic Posttraumatic Stress Disorder Symptoms in Veterans: Assessment Modality Matters.
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Woodward MJ, Morissette SB, Kimbrel NA, Meyer EC, DeBeer BB, Gulliver SB, and Gayle Beck J
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- Adult, Afghan Campaign 2001-, Chronic Disease, Cross-Sectional Studies, Female, Humans, Iraq War, 2003-2011, Male, Self Report, Stress Disorders, Post-Traumatic diagnosis, Social Support, Stress Disorders, Post-Traumatic psychology, Stress Disorders, Post-Traumatic therapy, Veterans psychology
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Although there is a strong and consistent association between social support and posttraumatic stress disorder (PTSD), the directionality of this association has been debated, with some research indicating that social support protects against PTSD symptoms, whereas other research suggests that PTSD symptoms erode social support. The majority of studies in the literature have been cross-sectional, rendering directionality impossible to determine. Cross-lagged panel models overcome many previous limitations; however, findings from the few studies employing these designs have been mixed, possibly due to methodological differences including self-report versus clinician-administered assessment. The current study used a cross-lagged panel structural equation model to explore the relationship between social support and chronic PTSD symptoms over a 1-year period in a sample of 264 Iraq and Afghanistan veterans assessed several years after trauma exposure. Approximately a third of the sample met criteria for PTSD at the baseline assessment, with veterans' trauma occurring an average of 6 years prior to baseline. Two separate models were run, with one using PTSD symptoms assessed via self-report and the other using clinician-assessed PTSD symptoms. Excellent model fit was found for both models. Results indicated that the relationship between social support and PTSD symptoms was affected by assessment modality. Whereas the self-report model indicated a bidirectional relationship between social support and PTSD symptoms over time, the clinician-assessed model indicated only that baseline PTSD symptoms predicted social support 1 year later. Results highlight that assessment modality is one factor that likely impacts disparate findings across previous studies. Theoretical and clinical implications of these findings are discussed, with suggestions for the growing body of literature utilizing these designs to dismantle this complex association., (Copyright © 2018. Published by Elsevier Ltd.)
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- 2018
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164. The Association Between Toxic Exposures and Chronic Multisymptom Illness in Veterans of the Wars of Iraq and Afghanistan.
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DeBeer BB, Davidson D, Meyer EC, Kimbrel NA, Gulliver SB, and Morissette SB
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- Adult, Afghan Campaign 2001-, Chronic Disease, Cognitive Dysfunction epidemiology, Fatigue epidemiology, Female, Humans, Inhalation Exposure adverse effects, Iraq War, 2003-2011, Male, Middle Aged, Mood Disorders epidemiology, Musculoskeletal Pain epidemiology, Self Report, Smoke adverse effects, United States, Military Personnel psychology, Occupational Exposure adverse effects, Persian Gulf Syndrome epidemiology, Pesticides toxicity, Veterans Health
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Objective: The purpose of this study was to determine if post-9/11 veterans deployed to the Iraq and Afghanistan conflicts experienced toxic exposures and whether they are related to symptoms of chronic multisymptom illness (CMI)., Methods: Data from 224 post-9/11 veterans who self-reported exposure to hazards in theater were analyzed using hierarchical regression., Results: Of the sample, 97.2% endorsed experiencing one or more potentially toxic exposure. In a regression model, toxic exposures and CMI symptoms were significantly associated above and beyond covariates. Follow-up analyses revealed that pesticide exposures, but not smoke inhalation was associated with CMI symptoms., Conclusions: These findings suggest that toxic exposures were common among military personnel deployed to the most recent conflicts, and appear to be associated with CMI symptoms. Additional research on the impact of toxic exposures on returning Iraq and Afghanistan Veterans' health is needed.
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- 2017
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165. Does body mass index moderate the association between posttraumatic stress disorder symptoms and suicidal ideation in Iraq/Afghanistan veterans?
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Kittel JA, DeBeer BB, Kimbrel NA, Matthieu MM, Meyer EC, Gulliver SB, and Morissette SB
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- Adult, Afghanistan, Cross-Sectional Studies, Female, Humans, Iraq, Longitudinal Studies, Male, Middle Aged, Pilot Projects, Self Report, Self-Injurious Behavior diagnosis, Self-Injurious Behavior psychology, Self-Injurious Behavior therapy, Stress Disorders, Post-Traumatic psychology, Stress Disorders, Post-Traumatic therapy, Suicide psychology, Suicide Prevention, Afghan Campaign 2001-, Body Mass Index, Iraq War, 2003-2011, Stress Disorders, Post-Traumatic diagnosis, Suicidal Ideation, Veterans psychology
- Abstract
Suicide, PTSD, and obesity co-occur at high rates among returning veterans, yet limited research exists regarding the relationship among these variables. Self-report and diagnostic interview data from a longitudinal study of Iraq and Afghanistan veterans (N=130) enrolled in VA healthcare examined these inter-relations. As hypothesized, body mass index (BMI) significantly moderated the association between PTSD and suicidal ideation such that the association between PTSD and suicidal ideation was strongest among individuals with a high BMI. Programs that focus on health promotion, trauma treatment, and weight management should continue to monitor suicide risk., (Published by Elsevier Ireland Ltd.)
- Published
- 2016
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166. Nonsuicidal self-injury and suicide attempts in Iraq/Afghanistan war veterans.
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Kimbrel NA, DeBeer BB, Meyer EC, Gulliver SB, and Morissette SB
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- Adult, Afghan Campaign 2001-, Afghanistan, Comorbidity, Depression psychology, Female, Humans, Iraq, Iraq War, 2003-2011, Male, Risk Assessment, Risk Factors, Self-Injurious Behavior psychology, Stress Disorders, Post-Traumatic psychology, Suicide, Attempted psychology, Warfare, Depression epidemiology, Self-Injurious Behavior epidemiology, Stress Disorders, Post-Traumatic epidemiology, Suicidal Ideation, Suicide, Attempted statistics & numerical data, Veterans psychology
- Abstract
The present study examined the association between history of nonsuicidal self-injury (NSSI) and history of suicide attempts (SA) among 292 Iraq/Afghanistan veterans, half of whom carried a lifetime diagnosis of posttraumatic stress disorder (PTSD). Consistent with hypotheses, veterans who reported a history of NSSI were significantly more likely to report a history of SA than veterans without a history of NSSI. In addition, logistic regression demonstrated that NSSI remained a significant predictor of SA even after a wide range of covariates (i.e., combat exposure, traumatic brain injury, PTSD, depression, alcohol dependence) were considered. Taken together, these findings suggest that clinicians working with veterans should include NSSI history as part of their standard risk assessment battery., (Published by Elsevier Ireland Ltd.)
- Published
- 2016
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167. Reinforcement Sensitivity and Social Anxiety in Combat Veterans.
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Kimbrel NA, Meyer EC, DeBeer BB, Mitchell JT, Kimbrel AD, Nelson-Gray RO, and Morissette SB
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Objective: The present study tested the hypothesis that low behavioral approach system (BAS) sensitivity is associated with social anxiety in combat veterans., Method: Self-report measures of reinforcement sensitivity, combat exposure, social interaction anxiety, and social observation anxiety were administered to 197 Iraq/Afghanistan combat veterans., Results: As expected, combat exposure, behavioral inhibition system (BIS) sensitivity, and fight-flight-freeze system (FFFS) sensitivity were positively associated with both social interaction anxiety and social observation anxiety. In contrast, BAS sensitivity was negatively associated with social interaction anxiety only. An analysis of the BAS subscales revealed that the Reward Responsiveness subscale was the only BAS subscale associated with social interaction anxiety. BAS-Reward Responsiveness was also associated with social observation anxiety., Conclusion: The findings from the present research provide further evidence that low BAS sensitivity may be associated with social anxiety over and above the effects of BIS and FFFS sensitivity.
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- 2016
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168. Chronic pain acceptance incrementally predicts disability in polytrauma-exposed veterans at baseline and 1-year follow-up.
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Cook AJ, Meyer EC, Evans LD, Vowles KE, Klocek JW, Kimbrel NA, Gulliver SB, and Morissette SB
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- Adult, Alcohol Drinking physiopathology, Alcohol Drinking prevention & control, Chronic Pain physiopathology, Comorbidity, Depression diagnosis, Depression physiopathology, Disability Evaluation, Female, Follow-Up Studies, Humans, Male, Middle Aged, Self Report, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic physiopathology, Young Adult, Chronic Pain psychology, Disabled Persons psychology, Veterans
- Abstract
War veterans are at increased risk for chronic pain and co-occurring neurobehavioral problems, including posttraumatic stress disorder (PTSD), depression, alcohol-related problems, and mild traumatic brain injury (mTBI). Each condition is associated with disability, particularly when co-occurring. Pain acceptance is a strong predictor of lower levels of disability in chronic pain. This study examined whether acceptance of pain predicted current and future disability beyond the effects of these co-occurring conditions in war veterans. Eighty trauma-exposed veterans with chronic pain completed a PTSD diagnostic interview, clinician-administered mTBI screening, and self-report measures of disability, pain acceptance, depression, and alcohol use. Hierarchical regression models showed pain acceptance to be incrementally associated with disability after accounting for symptoms of PTSD, depression, alcohol-related problems, and mTBI (total adjusted R(2) = .57, p < .001, ΔR(2) = .03, p = .02). At 1-year follow-up, the total variance in disability accounted for by the model decreased (total adjusted R(2) = .29, p < .001), whereas the unique contribution of pain acceptance increased (ΔR(2) = .07, p = .008). Pain acceptance remained significantly associated with 1-year disability when pain severity was included in the model. Future research should evaluate treatments that address chronic pain acceptance and co-occurring conditions to promote functional recovery in the context of polytrauma in war veterans., (Published by Elsevier Ltd.)
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- 2015
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169. Resilience, traumatic brain injury, depression, and posttraumatic stress among Iraq/Afghanistan war veterans.
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Elliott TR, Hsiao YY, Kimbrel NA, Meyer EC, DeBeer BB, Gulliver SB, Kwok OM, and Morissette SB
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- Adaptation, Psychological, Adult, Brain Injuries epidemiology, Comorbidity, Depressive Disorder epidemiology, Female, Humans, Male, Prospective Studies, Social Support, Stress Disorders, Post-Traumatic epidemiology, United States epidemiology, Veterans statistics & numerical data, Afghan Campaign 2001-, Brain Injuries psychology, Depressive Disorder psychology, Iraq War, 2003-2011, Resilience, Psychological, Stress Disorders, Post-Traumatic psychology, Veterans psychology
- Abstract
Objective: We examined the prospective influence of the resilient, undercontrolled, and overcontrolled personality prototypes on depression and posttraumatic stress disorder (PTSD) symptoms among Iraq/Afghanistan war veterans. After accounting for the possible influence of combat exposure, we expected that the resilient prototype would predict lower depression and PTSD over time and would be associated with adaptive coping strategies, higher social support, lower psychological inflexibility, and higher self-reported resilience relative to overcontrolled and undercontrolled prototypes, independent of traumatic brain injury (TBI) status., Method: One hundred twenty-seven veterans (107 men, 20 women; average age = 37) participated in the study. Personality was assessed at baseline, and PTSD and depression symptoms were assessed 8 months later. Path analysis was used to test the direct and indirect effects of personality on distress., Results: No direct effects were observed from personality to distress. The resilient prototype did have significant indirect effects on PTSD and depression through its beneficial effects on social support, coping and psychological inflexibility. TBI also had direct effects on PTSD., Conclusions: A resilient personality prototype appears to influence veteran adjustment through its positive associations with greater social support and psychological flexibility, and lower use of avoidant coping. Low social support, avoidant coping, and psychological inflexibility are related to overcontrolled and undercontrolled personality prototypes, and these behaviors seem to characterize veterans who experience problems with depression and PTSD over time. A positive TBI status is directly and prospectively associated with PTSD symptomology independent of personality prototype. Implications for clinical interventions and future research are discussed., ((c) 2015 APA, all rights reserved).)
- Published
- 2015
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170. An examination of the broader effects of warzone experiences on returning Iraq/Afghanistan veterans' psychiatric health.
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Kimbrel NA, DeBeer BB, Meyer EC, Silvia PJ, Beckham JC, Young KA, and Morissette SB
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- Adult, Afghan Campaign 2001-, Female, Humans, Iraq, Iraq War, 2003-2011, Male, Mental Disorders psychology, Middle Aged, Stress Disorders, Post-Traumatic psychology, Mental Disorders diagnosis, Mental Health, Stress Disorders, Post-Traumatic diagnosis, Veterans psychology, Veterans Health
- Abstract
The objective of the present research was to test the hypotheses that: (1) Iraq/Afghanistan war veterans experience a wide range of psychiatric symptomatology (e.g., obsessive-compulsive symptoms, hypochondriasis, somatization); and (2) general psychiatric symptomatology among Iraq/Afghanistan war veterans is associated with their warzone experiences. To achieve this objective, Iraq/Afghanistan war veterans (N=155) completed a screening questionnaire that assessed a wide range of psychiatric symptoms along with a measure of warzone experiences. As expected, returning veterans reported significant elevations across a wide range of clinical scales. Approximately three-fourths screened positive on at least one clinical subscale, and a one-third screened positive on five or more. In addition, nearly all of these conditions were associated with veterans' warzone experiences (average r=0.36); however, this association was much stronger among veterans with posttraumatic stress disorder (PTSD) (average r=0.33) than among veterans without PTSD (average r=0.15). We also observed that approximately 18% of the variance in total psychiatric symptomatology was attributable to warzone experiences above and beyond the effects of childhood trauma and demographic factors. Taken together, these findings suggest that returning veterans experience a broad array of psychiatric symptoms that are strongly associated with their warzone experiences., (Published by Elsevier Ireland Ltd.)
- Published
- 2015
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171. Attitudes about the VA health-care setting, mental illness, and mental health treatment and their relationship with VA mental health service use among female and male OEF/OIF veterans.
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Fox AB, Meyer EC, and Vogt D
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- Adult, Afghan Campaign 2001-, Depressive Disorder psychology, Female, Humans, Iraq War, 2003-2011, Logistic Models, Male, Middle Aged, Sex Factors, Stress Disorders, Post-Traumatic psychology, Substance-Related Disorders psychology, United States, United States Department of Veterans Affairs, Veterans Health, Attitude to Health, Mental Disorders psychology, Mental Health Services statistics & numerical data, Patient Acceptance of Health Care, Veterans psychology
- Abstract
In the present study, the authors explored gender differences in attitudinal barriers to and facilitators of care for Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) veterans and examined the relationship of those factors with VA mental health service use among female and male veterans with probable mental health conditions. Data were collected as part of a national cross-sectional survey of OEF/OIF veterans; the current sample was limited to participants with a probable diagnosis of posttraumatic stress disorder, depression, or alcohol abuse (N = 278). Although negligible gender differences were observed in attitudes about VA care and perceived fit in the VA setting, men reported slightly more negative beliefs about mental illness and mental health treatment than women. In addition, logistic regressions revealed different associations with VA mental health service use for women and men. For women only, positive perceptions of VA care were associated with increased likelihood of seeking mental health treatment. For men only, perceived similarity to other VA care users and negative beliefs about mental health treatment were associated with increased likelihood of service use, whereas negative beliefs about mental illness were associated with lower likelihood of service use. For both women and men, perceived entitlement to VA care was associated with increased likelihood of service use and negative beliefs about treatment-seeking were associated with a reduced likelihood of seeking mental health care in the past 6 months. Results support the need for tailored outreach to address unique barriers to mental health treatment for female and male OEF/OIF veterans.
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- 2015
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172. The critical warzone experiences (CWE) scale: initial psychometric properties and association with PTSD, anxiety, and depression.
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Kimbrel NA, Evans LD, Patel AB, Wilson LC, Meyer EC, Gulliver SB, and Morissette SB
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- Adult, Depression, Disability Evaluation, Female, Humans, Male, Middle Aged, Reproducibility of Results, United States, Afghan Campaign 2001-, Anxiety Disorders diagnosis, Anxiety Disorders psychology, Combat Disorders diagnosis, Combat Disorders psychology, Depressive Disorder, Major diagnosis, Depressive Disorder, Major psychology, Iraq War, 2003-2011, Personality Inventory statistics & numerical data, Psychometrics statistics & numerical data, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic psychology, Surveys and Questionnaires, Veterans psychology
- Abstract
The objective of the present research was to develop and evaluate a critical warzone experiences (CWE) scale for use with Iraq/Afghanistan veterans. The psychometric properties of the CWE were evaluated across three independent samples of Iraq/Afghanistan veterans. Despite its brevity (7 items), the CWE exhibited good internal consistency (average α =0.83), good temporal stability (1-year test-retest reliability=0.73), good concurrent validity with lengthier measures of warzone experiences (average r=0.74), and a clear unidimensional factor structure (average factor loading=0.69). Study 2 confirmed the CWE׳s factor structure through confirmatory factor analysis, and structural equation modeling demonstrated a strong association between CWE and post-deployment mental health, β =0.49, p<0.001. Study 3 provided further support for the predictive validity of the CWE by demonstrating that it was associated with PTSD diagnosis, clinician-rated PTSD symptom severity, and global functional impairment in an independent sample of Iraq/Afghanistan veterans (average r=0.59). While replication of these findings in more diverse samples is needed, the preliminary evidence from these studies indicates that the CWE is a brief, reliable, and valid measure of critical warzone experiences among Iraq/Afghanistan war veterans., (Published by Elsevier Ireland Ltd.)
- Published
- 2014
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173. The relationship of neurocognition and negative symptoms to social and role functioning over time in individuals at clinical high risk in the first phase of the North American Prodrome Longitudinal Study.
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Meyer EC, Carrión RE, Cornblatt BA, Addington J, Cadenhead KS, Cannon TD, McGlashan TH, Perkins DO, Tsuang MT, Walker EF, Woods SW, Heinssen R, and Seidman LJ
- Subjects
- Adolescent, Adult, Child, Cognition Disorders etiology, Disease Progression, Female, Humans, Longitudinal Studies, Male, Psychotic Disorders complications, Young Adult, Cognition Disorders physiopathology, Prodromal Symptoms, Psychotic Disorders physiopathology, Role, Social Skills
- Abstract
Objectives: Impaired social, role, and neurocognitive functioning are preillness characteristics of people who later develop psychosis. In people with schizophrenia, neurocognition and negative symptoms are associated with functional impairment. We examined the relative contributions of neurocognition and symptoms to social and role functioning over time in clinically high-risk (CHR) individuals and determined if negative symptoms mediated the influence of cognition on functioning., Methods: Social, role, and neurocognitive functioning and positive, negative, and disorganized symptoms were assessed in 167 individuals at CHR for psychosis in the North American Prodrome Longitudinal Study Phase 1 (NAPLS-1), of whom 96 were reassessed at 12 months., Results: Regression analyses indicated that negative symptoms accounted for unique variance in social and role functioning at baseline and follow-up. Composite neurocognition accounted for unique, but modest, variance in social and role functioning at baseline and in role functioning at follow-up. Negative symptoms mediated the relationship between composite neurocognition and social and role functioning across time points. In exploratory analyses, individual tests (IQ estimate, Digit Symbol/Coding, verbal memory) selectively accounted for social and role functioning at baseline and follow-up after accounting for symptoms. When negative symptom items with content overlapping with social and role functioning measures were removed, the relationship between neurocognition and social and role functioning was strengthened., Conclusion: The modest overlap among neurocognition, negative symptoms, and social and role functioning indicates that these domains make substantially separate contributions to CHR individuals., (© The Author 2014. Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
- Published
- 2014
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174. A Bayesian model averaging approach to examining changes in quality of life among returning Iraq and Afghanistan veterans.
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Stock EM, Kimbrel NA, Meyer EC, Copeland LA, Monte R, Zeber JE, Gulliver SB, and Morissette SB
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- Adult, Cohort Studies, Female, Humans, Male, Mental Disorders diagnosis, Mental Disorders epidemiology, Mental Disorders rehabilitation, Middle Aged, Predictive Value of Tests, Psychotherapy, Young Adult, Afghan Campaign 2001-, Bayes Theorem, Mental Disorders psychology, Quality of Life psychology, Veterans psychology
- Abstract
Many Veterans from the conflicts in Iraq and Afghanistan return home with physical and psychological impairments that impact their ability to enjoy normal life activities and diminish their quality of life (QoL). The present research aimed to identify predictors of QoL over an eight-month period using Bayesian model averaging (BMA), which is a statistical technique useful for maximizing power with smaller sample sizes. A sample of 117 Iraq and Afghanistan Veterans receiving care in a southwestern health care system was recruited, and BMA examined the impact of key demographics (e.g., age, gender), diagnoses (e.g., depression), and treatment modalities (e.g., individual therapy, medication) on QoL over time. Multiple imputation based on Gibbs sampling was employed for incomplete data (6.4% missingness). Average follow-up QoL scores were significantly lower than at baseline (73.2 initial versus 69.5 four-month and 68.3 eight-month). Employment was associated with increased QoL during each follow-up, while post-traumatic stress disorder and Black race were inversely related. Additionally, predictive models indicated that depression, income, treatment for a medical condition, and group psychotherapy were strong negative predictors of four-month QoL but not eight-month QoL., Competing Interests: The authors have no competing interests., (Copyright © 2014 John Wiley & Sons, Ltd.)
- Published
- 2014
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175. Combined PTSD and depressive symptoms interact with post-deployment social support to predict suicidal ideation in Operation Enduring Freedom and Operation Iraqi Freedom veterans.
- Author
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Debeer BB, Kimbrel NA, Meyer EC, Gulliver SB, and Morissette SB
- Subjects
- Adult, Afghanistan, Depression complications, Factor Analysis, Statistical, Female, Humans, Iraq, Male, Military Personnel psychology, Regression Analysis, Self Report, Stress Disorders, Post-Traumatic complications, Afghan Campaign 2001-, Depression diagnosis, Depression psychology, Iraq War, 2003-2011, Social Support, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic psychology, Suicidal Ideation, Veterans psychology
- Abstract
Rates of suicide are alarmingly high in military and veteran samples. Suicide rates are particularly elevated among those with post-traumatic stress disorder (PTSD) and depression, which share overlapping symptoms and frequently co-occur. Identifying and confirming factors that reduce, suicide risk among veterans with PTSD and depression is imperative. The proposed study evaluated, whether post-deployment social support moderated the influence of PTSD-depression symptoms on, suicidal ideation among Veterans returning from Iraq and Afghanistan using state of the art clinical, diagnostic interviews and self-report measures. Operations Enduring and Iraqi Freedom (OEF/OIF) Veterans (n=145) were invited to, participate in a study evaluating returning Veterans׳ experiences. As predicted, PTSD-depression, symptoms had almost no effect on suicidal ideation (SI) when post-deployment social support was high; however, when, post-deployment social support was low, PTSD-depression symptoms were positively associated with, SI. Thus, social support may be an important factor for clinicians to assess in the context of PTSD and, depressive symptoms. Future research is needed to prospectively examine the inter-relationship, between PTSD/depression and social support on suicidal risk, as well as whether interventions to, improve social support result in decreased suicidality., (Published by Elsevier Ireland Ltd.)
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- 2014
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176. Prevention and recovery in early psychosis (PREP(®)): building a public-academic partnership program in Massachusetts, United States.
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Caplan B, Zimmet SV, Meyer EC, Friedman-Yakoobian M, Monteleone T, Jude Leung Y, Guyer ME, Rood LL, Keshavan MS, and Seidman LJ
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- Adolescent, Adult, Boston, Cooperative Behavior, Early Diagnosis, Evidence-Based Medicine, Female, Humans, Male, Patient-Centered Care methods, Psychotic Disorders diagnosis, Young Adult, Early Medical Intervention methods, Program Development methods, Psychotic Disorders therapy, Regional Health Planning methods
- Abstract
Recently, there has been increasing emphasis on early intervention (EI) for psychotic disorders. EI programs in public mental health settings have been established in countries such as Australia, the United Kingdom, and Canada. However, there are relatively few EI programs in the United States (U.S.). Here we describe the conceptual origins and practical development of the PREP program, i.e., Prevention and Recovery in Early Psychosis, as it evolved in a public academic psychiatry setting in Boston, Massachusetts, U.S. PREP developed over a decade through a partnership between the Massachusetts Department of Mental Health and academic institutions within the Harvard Department of Psychiatry. We discuss the evolution, programmatic features, funding mechanisms, staffing, and the role of clinical training in PREP. The key principles in developing the PREP Program include the focus on early, evidence based, person-centered and phase-specific, integrated and continuous, comprehensive care. This program has served as a foundation for the emergence of related services at our institution, including a research clinic treating those at clinical high risk or within the putative "prodromal" period preceding frank psychosis. This account offers one possible blueprint for the development of EI programs despite the lack in the U.S. of a national mandate for EI or prevention-based mental health programs., (Copyright © 2012 Elsevier B.V. All rights reserved.)
- Published
- 2013
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177. Neuropsychological sequelae of PTSD and TBI following war deployment among OEF/OIF veterans.
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Dolan S, Martindale S, Robinson J, Kimbrel NA, Meyer EC, Kruse MI, Morissette SB, Young KA, and Gulliver SB
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- Afghan Campaign 2001-, Brain Injuries diagnosis, Humans, Iraq War, 2003-2011, Neuroimaging, Neuropsychological Tests, Stress Disorders, Post-Traumatic diagnosis, Brain Injuries complications, Cognition Disorders etiology, Military Personnel psychology, Stress Disorders, Post-Traumatic complications, Veterans psychology
- Abstract
Posttraumatic stress disorder (PTSD) and mild traumatic brain injury (mTBI) are highly prevalent among Veterans of the conflicts in Iraq and Afghanistan. These conditions are associated with common and unique neuropsychological and neuroanatomical changes. This review synthesizes neuropsychological and neuroimaging studies for both of these disorders and studies examining their co-occurrence. Recommendations for future research, including use of combined neuropsychological and advanced neuroimaging techniques to study these disorders alone and in concert, are presented. It is clear from the dearth of literature that addiitonal studies are required to examine and understand the impact of specific factors on neurocognitive outcome. Of particular relevance are temporal relationships between PTSD and mTBI, risk and resilience factors associated with both disorders and their co-occurrence, and mTBI-specific factors such as time since injury and severity of injury, utilizing comprehensive, yet targeted cognitive tasks.
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- 2012
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178. Responding to hypnotic and nonhypnotic suggestions: performance standards, imaginative suggestibility, and response expectancies.
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Meyer EC and Lynn SJ
- Subjects
- Emotions, Female, Humans, Male, Motivation, Reproducibility of Results, Surveys and Questionnaires, Young Adult, Hypnosis methods, Imagination, Set, Psychology, Suggestion
- Abstract
This study examined the relative impact of hypnotic inductions and several other variables on hypnotic and nonhypnotic responsiveness to imaginative suggestions. The authors examined how imaginative suggestibility, response expectancies, motivation to respond to suggestions, and hypnotist-induced performance standards affected participants' responses to both hypnotic and nonhypnotic suggestions and their suggestion-related experiences. Suggestions were administered to 5 groups of participants using a test-retest design: (a) stringent performance standards; (b) lenient performance standards; (c) hypnosis test-retest; (d) no-hypnosis test-retest; and (e) no-hypnosis/hypnosis control. The authors found no support for the influence of a hypnotic induction or performance standards on responding to suggestions but found considerable support for the role of imaginative suggestibility and response expectancies in predicting responses to both hypnotic and nonhypnotic suggestions.
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- 2011
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179. Neuropsychology of the prodrome to psychosis in the NAPLS consortium: relationship to family history and conversion to psychosis.
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Seidman LJ, Giuliano AJ, Meyer EC, Addington J, Cadenhead KS, Cannon TD, McGlashan TH, Perkins DO, Tsuang MT, Walker EF, Woods SW, Bearden CE, Christensen BK, Hawkins K, Heaton R, Keefe RS, Heinssen R, and Cornblatt BA
- Subjects
- Adolescent, Cognition Disorders physiopathology, Cognition Disorders psychology, Early Diagnosis, Family Characteristics, Female, Follow-Up Studies, Humans, Intelligence Tests statistics & numerical data, Longitudinal Studies, Male, Neuropsychological Tests statistics & numerical data, Probability, Prospective Studies, Psychotic Disorders physiopathology, Psychotic Disorders psychology, Risk Factors, Schizophrenia physiopathology, Schizophrenic Psychology, Cognition Disorders diagnosis, Psychotic Disorders diagnosis, Schizophrenia diagnosis
- Abstract
Context: Early detection and prospective evaluation of clinical high-risk (CHR) individuals who may develop schizophrenia or other psychotic disorders is critical for predicting psychosis onset and for testing preventive interventions., Objectives: To elucidate the neuropsychology of the CHR syndrome, to determine the association of neuropsychological function with conversion to psychosis and family history of psychosis, and to examine whether baseline neuropsychological functioning predicts subsequent psychosis., Design: Longitudinal study with 2(1/2) years of follow-up., Setting: Eight centers participating in the North American Prodrome Longitudinal Study., Participants: Three hundred four prospectively identified CHR individuals meeting Structured Interview for Prodromal Syndromes criteria, 52 non-CHR persons with a family history of psychosis in first- or second-degree relatives (family high-risk group), and 193 normal controls with neither a family history of psychosis nor a CHR syndrome, all of whom underwent baseline neuropsychological evaluations., Main Outcome Measures: A neurocognitive composite score, 8 individual neuropsychological measures, an IQ estimate, and high-risk status., Results: Global ("composite") neuropsychological functioning was comparably impaired in the CHR and family high-risk groups compared with controls, but profiles differed significantly between groups. Neuropsychological functioning in the CHR group was significantly lower in persons who progressed to psychosis than in those who did not and was worst in the subgroup with a family history of psychosis. Tests of processing speed and verbal learning and memory were most sensitive in discriminating CHR individuals from controls, although reductions were less severe than in established schizophrenia. Neuropsychological functioning did not contribute uniquely to the prediction of psychosis beyond clinical criteria, but worse verbal memory predicted more rapid conversion., Conclusions: These findings document that CHR individuals have significant neuropsychological difficulties, particularly those who later develop psychosis. This dysfunction is generally of moderate severity but less than in first-episode schizophrenia, suggesting that further decline may occur after baseline CHR assessment.
- Published
- 2010
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180. The specificity of referential thinking: a comparison of schizotypy and social anxiety.
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Meyer EC and Lenzenweger MF
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- Adolescent, Adult, Delusions diagnosis, Delusions psychology, Female, Humans, Male, Personality Inventory statistics & numerical data, Phobic Disorders psychology, Psychometrics statistics & numerical data, Reproducibility of Results, Schizotypal Personality Disorder psychology, Young Adult, Perceptual Distortion, Phobic Disorders diagnosis, Schizotypal Personality Disorder diagnosis, Social Perception, Thinking
- Abstract
Ideas of reference are considered hallmarks of schizophrenia-related psychopathology. However, the specificity of referential thinking to schizophrenia-related psychopathology has not been examined empirically. Schizotypy reflects the latent liability for schizophrenia and is associated with referential thinking. Referential thinking may occur in other forms of psychopatholoy, such as social anxiety, which is characterized by cognitive distortions in which the thoughts and judgments of others are viewed as having reference to the self. Our primary aim was to examine the specificity of referential thinking to schizotypy. A sample of 830 college students completed a psychometric screening, of which 102 met criteria for inclusion in one of three groups: schizotypy (n=30), social anxiety (n=28), normal controls (n=44). Participants completed the Referential Thinking Scale (REF), and other measures of schizotypy (Schizotypal Personality Questionnaire, Peters et al Delusion Index, Schizophrenia Proneness Scale, Social Anhedonia Scale), affect, and intellectual functioning. The schizotypy group exhibited higher REF scores than both comparison groups. REF scores were associated with other schizotypy measures and loaded onto a positive schizotypy factor, but not onto a negative schizotypy or negative affect factor. These findings support the specificity of high levels of referential thinking to schizotypy and the construct validity of the REF.
- Published
- 2009
- Full Text
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