30 results on '"Mason, Liam"'
Search Results
2. Modelling the complexity of pandemic-related lifestyle quality change and mental health: an analysis of a nationally representative UK general population sample
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Butter, Sarah, Murphy, Jamie, Hyland, Philip, McBride, Orla, Shevlin, Mark, Hartman, Todd K., Bennett, Kate, Gibson-Miller, Jilly, Levita, Liat, Martinez, Anton P., Mason, Liam, McKay, Ryan, Stocks, Thomas V. A., Vallières, Frédérique, and Bentall, Richard P.
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- 2022
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3. Self-esteem depends on beliefs about the rate of change of social approval
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Low, Alexis An Yee, Hopper, William John Telesfor, Angelescu, Ilinca, Mason, Liam, Will, Geert-Jan, and Moutoussis, Michael
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- 2022
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4. Measurement invariance of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) across four European countries during the COVID-19 pandemic
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Shevlin, Mark, Butter, Sarah, McBride, Orla, Murphy, Jamie, Gibson-Miller, Jilly, Hartman, Todd K., Levita, Liat, Mason, Liam, Martinez, Anton P., McKay, Ryan, Stocks, Thomas VA, Bennett, Kate M, Hyland, Philip, Vallieres, Frédérique, Valiente, Carmen, Vazquez, Carmelo, Contreras, Alba, Peinado, Vanesa, Trucharte, Almudena, Bertamini, Marco, Panzeri, Anna, Bruno, Giovanni, Granziol, Umberto, Mignemi, Giuseppe, Spoto, Andrea, Vidotto, Giulio, and Bentall, Richard P.
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- 2022
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5. Tri-axial loading response to anti-gravity running highlights movement strategy compensations during knee injury rehabilitation of a professional soccer player.
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Greig, Matt, Mason, Liam, and Mitchell, Andy
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WOUNDS & injuries , *ANTERIOR cruciate ligament injuries , *SOCCER , *ANTERIOR cruciate ligament surgery , *LEG , *RUNNING , *ACCELEROMETERS , *BODY weight , *DESCRIPTIVE statistics , *ACHILLES tendon , *TREADMILLS , *BONE grafting , *STATISTICS , *BODY movement , *EXERCISE tests , *EPIDEMIOLOGY , *CONFIDENCE intervals , *KNEE injuries , *MENISCECTOMY , *ISOKINETIC exercise , *MUSCLE contraction , *SOCCER injuries , *PHYSIOLOGICAL effects of acceleration , *REGRESSION analysis - Abstract
Anti-gravity treadmills have been used in rehabilitation to manipulate exposure to loading and to prescribe return to outside running. Analysis is typically restricted to the vertical plane, but tri-axial accelerometry facilitates multi-planar analysis with relevance to injury mechanism. In this case a professional male soccer player, 4 weeks post-operative surgery to repair a medial meniscectomy, 8 months after Anterior Cruciate Ligament reconstruction to the same knee, completed anti-gravity treadmill running at 70–95% bodyweight (BW) at 5% increments. Tri-axial accelerometers were placed proximal to the Achilles tendon of the injured and healthy leg, and at C7. The planar acceleration at touchdown highlighted an increase at 85% BW, identifying 70% and 85% BW as discrete loading progressions. C7 (3.21 ± 0.68 m·s−2) elicited lower (P < 0.001) vertical acceleration than the lower limb (9.31 ± 1.82 m·s−2), with no difference between limbs suggesting bilateral symmetry. However, in the medio-lateral plane the affected limb (−0.15 ± 1.82 m·s−2) was exposed to lower (P = 0.001) medio-lateral acceleration than the non-affected limb (2.92 ± 1.35 m·s−2) at touchdown, indicative of bilateral asymmetry. PlayerLoad during foot contact was sensitive to accelerometer location, with the affected limb exposed to greater loading in all planes (P ≤ 0.082), exacerbated at 90–95% BW. Tri-axial accelerometry provides a means of assessing multi-planar loading during rehabilitation, enhancing objective progression. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Networks underpinning emotion: A systematic review and synthesis of functional and effective connectivity
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Underwood, Raphael, Tolmeijer, Eva, Wibroe, Johannes, Peters, Emmanuelle, and Mason, Liam
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- 2021
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7. Psychological distress, wellbeing and resilience: modelling adolescent mental health profiles during the COVID-19 pandemic.
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Butter, Sarah, Shevlin, Mark, Gibson-Miller, Jilly, McBride, Orla, Hartman, Todd K., Bentall, Richard P., Bennett, Kate, Murphy, Jamie, Mason, Liam, Martinez, Anton P., and Levita, Liat
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COVID-19 pandemic ,WELL-being ,YOUNG adults ,MENTAL health ,PSYCHOLOGICAL distress - Abstract
There has been concern about adolescent mental health during the pandemic. The current study examined adolescent mental health during the initial phase of the COVID-19 pandemic in the UK. Using indicator of psychological distress, wellbeing and resilience, latent profile analysis was used to identify homogeneous mental health groups among young people aged 13–24 (N = 1971). Multinomial logistic regression was then used to examine which sociodemographic and psychosocial variables predicted latent class membership. Four classes were found. The largest class (Class 1, 37.2%) was characterised by moderate symptomology and moderate wellbeing. Class 2 (34.2%) was characterised by low symptomology and high wellbeing, while Class 3 (25.4%) was characterised by moderate symptomology and high wellbeing. Finally, Class 4 was the smallest (3.2%) and was characterised by high symptomology and low wellbeing. Compared to the low symptomology, high wellbeing class, all other classes were associated with less social engagement with friends, poorer family functioning, greater somatic symptoms, and a less positive model of self. A number of unique associations between the classes and predictor variables were identified. Although around two-thirds of adolescents reported moderate-to-high symptomology, most of these individuals also reported concurrent moderate-to-high levels of wellbeing, reflecting resilience. Furthermore, these findings demonstrate how a more comprehensive picture of mental health can be gained through adopting a dual-continua conceptualisation of mental health that incorporates both pathology and well-being. In this way, at-risk youth can be identified and interventions and resources targeted appropriately. [ABSTRACT FROM AUTHOR]
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- 2024
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8. A randomized controlled trial to compare the effects of time-restricted eating versus Mediterranean diet on symptoms and quality of life in bipolar disorder.
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Johnson, Sheri L., Murray, Greg, Kriegsfeld, Lance J., Manoogian, Emily N.C., Mason, Liam, Allen, J. D., Berk, Michael, Panda, Satchidanda, Rajgopal, Nandini A., Gibson, Jake C., Joyner, Keanan J., Villanueva, Robert, and Michalak, Erin E.
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MEDITERRANEAN diet ,BIPOLAR disorder ,RANDOMIZED controlled trials ,QUALITY of life ,ALCOHOLISM ,BULIMIA ,MORNINGNESS-Eveningness Questionnaire - Abstract
Background: The primary objective of this randomized controlled trial (RCT) is to establish the effectiveness of time-restricted eating (TRE) compared with the Mediterranean diet for people with bipolar disorder (BD) who have symptoms of sleep disorders or circadian rhythm sleep–wake disruption. This work builds on the growing evidence that TRE has benefits for improving circadian rhythms. TRE and Mediterranean diet guidance will be offered remotely using self-help materials and an app, with coaching support. Methods: This study is an international RCT to compare the effectiveness of TRE and the Mediterranean diet. Three hundred participants will be recruited primarily via social media. Main inclusion criteria are: receiving treatment for a diagnosis of BD I or II (confirmed via DIAMOND structured diagnostic interview), endorsement of sleep or circadian problems, self-reported eating window of ≥ 12 h, and no current mood episode, acute suicidality, eating disorder, psychosis, alcohol or substance use disorder, or other health conditions that would interfere with or limit the safety of following the dietary guidance. Participants will be asked to complete baseline daily food logging for two weeks and then will be randomly allocated to follow TRE or the Mediterranean diet for 8 weeks, during which time, they will continue to complete daily food logging. Intervention content will be delivered via an app. Symptom severity interviews will be conducted at baseline; mid-intervention (4 weeks after the intervention begins); end of intervention; and at 6, 9, and 15 months post-baseline by phone or videoconference. Self-rated symptom severity and quality of life data will be gathered at those timepoints, as well as at 16 weeks post baseline. To provide a more refined index of whether TRE successfully decreases emotional lability and improves sleep, participants will be asked to complete a sleep diary (core CSD) each morning and complete six mood assessments per day for eight days at baseline and again at mid-intervention. Discussion: The planned research will provide novel and important information on whether TRE is more beneficial than the Mediterranean diet for reducing mood symptoms and improving quality of life in individuals with BD who also experience sleep or circadian problems. Trial registration: ClinicalTrials.gov ID NCT06188754. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Delay discounting and under-valuing of recent information predict poorer adherence to social distancing measures during the COVID-19 pandemic
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Lloyd, Alex, McKay, Ryan, Hartman, Todd K., Vincent, Benjamin T., Murphy, Jamie, Gibson-Miller, Jilly, Levita, Liat, Bennett, Kate, McBride, Orla, Martinez, Anton P., Stocks, Thomas V. A., Vallières, Frédérique, Hyland, Philip, Karatzias, Thanos, Butter, Sarah, Shevlin, Mark, Bentall, Richard P., and Mason, Liam
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- 2021
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10. You read my mind: fMRI markers of threatening appraisals in people with persistent psychotic experiences
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Underwood, Raphael, Mason, Liam, O’Daly, Owen, Dalton, Jeffrey, Simmons, Andrew, Barker, Gareth J., Peters, Emmanuelle, and Kumari, Veena
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- 2021
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11. Psychological characteristics associated with COVID-19 vaccine hesitancy and resistance in Ireland and the United Kingdom
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Murphy, Jamie, Vallières, Frédérique, Bentall, Richard P., Shevlin, Mark, McBride, Orla, Hartman, Todd K., McKay, Ryan, Bennett, Kate, Mason, Liam, Gibson-Miller, Jilly, Levita, Liat, Martinez, Anton P., Stocks, Thomas V. A., Karatzias, Thanos, and Hyland, Philip
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- 2021
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12. A network approach to understanding social distancing behaviour during the first UK lockdown of the COVID-19 pandemic.
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Gibson-Miller, Jilly, Zavlis, Orestis, Hartman, Todd K., Bennett, Kate M., Butter, Sarah, Levita, Liat, Martinez, Anton P., Mason, Liam, McBride, Orla, McKay, Ryan, Murphy, Jamie, Shevlin, Mark, Stocks, Thomas V. A, and Bentall, Richard P.
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PREVENTION of infectious disease transmission ,COVID-19 ,MOTIVATION (Psychology) ,AGE distribution ,BEHAVIORAL sciences ,CONCEPTUAL structures ,PSYCHOMETRICS ,INCOME ,HEALTH behavior ,RESEARCH funding ,PSYCHOLOGICAL adaptation ,SOCIODEMOGRAPHIC factors ,SOCIAL distancing ,STAY-at-home orders ,COVID-19 pandemic ,EDUCATIONAL attainment - Abstract
Given the highly infectious nature of COVID-19, social distancing practices are key in stemming the spread of the virus. We aimed to assess the complex interplay among psychological factors, socio-demographic characteristics and social distancing behaviours within the framework of the widely used Capability, Opportunity, Motivation-Behaviour (COM-B) model. The present research employed network psychometrics on data collected during the first UK lockdown in April 2020 as part of the COVID-19 Psychological Research Consortium (C19PRC) Study. Using a network approach, we examined the predictions of psychological and demographic variables onto social distancing practices at two levels of analysis: macro and micro. Our findings revealed several factors that influenced social distancing behaviour during the first UK lockdown. The COM-B model was successful in predicting particular aspects of social-distancing via the influence of psychological capability and motivation at the macro-and micro-levels, respectively. Notably, demographic variables, such as education, income, and age, were directly and uniquely predictive of certain social distancing behaviours. Our findings reveal psychological factors that are key predictors of social distancing behaviour and also illustrate how demographic variables directly influence such behaviour. Our research has implications for the design of empirically-driven interventions to promote adherence to social distancing practices in this and future pandemics. Supplemental data for this article is available online at [ABSTRACT FROM AUTHOR]
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- 2024
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13. An 18‐month follow‐up of the Covid‐19 psychology research consortium study panel: Survey design and fieldwork procedures for Wave 6.
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McBride, Orla, Butter, Sarah, Martinez, Anton P., Shevlin, Mark, Murphy, Jamie, Hartman, Todd K., McKay, Ryan, Hyland, Philip, Bennett, Kate M., Stocks, Thomas V. A., Gibson‐Miller, Jilly, Levita, Liat, Mason, Liam, and Bentall, Richard P.
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PSYCHOLOGICAL research ,CONSORTIA ,MENTAL illness ,INCOME ,POLITICAL attitudes - Abstract
Objectives: Established in March 2020, the C19PRC Study monitors the psychological and socio‐economic impact of the pandemic in the UK and other countries. This paper describes the protocol for Wave 6 (August–September 2021). Methods: The survey assessed: COVID‐19 related experiences; experiences of common mental health disorders; psychological characteristics; and social and political attitudes. Adult participants from any previous wave (N = 3170) were re‐invited, and sample replenishment procedures helped manage attrition. Weights were calculated using a survey raking algorithm to ensure the on‐going original panel (from baseline) was nationally representative in terms of gender, age, and household income, amongst other factors. Results: 1643 adults were re‐interviewed at Wave 6 (51.8% retention rate). Non‐participation was higher younger adults, those born outside UK, and adults living in cities. Of the adults recruited at baseline, 54.3% (N = 1100) participated in Wave 6. New respondent (N = 415) entered the panel at this wave, resulting in cross‐sectional sample for Wave 6 of 2058 adults. The raking procedure re‐balanced the longitudinal panel to within 1.3% of population estimates for selected socio‐demographic characteristics. Conclusions: This paper outlines the growing strength of the publicly available C19PRC Study data for COVID‐19‐related interdisciplinary research. [ABSTRACT FROM AUTHOR]
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- 2023
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14. Predicting resilience during the COVID-19 Pandemic in the United Kingdom: Cross-sectional and longitudinal results.
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Bennett, Kate M., Panzeri, Anna, Derrer-Merk, Elfriede, Butter, Sarah, Hartman, Todd K., Mason, Liam, McBride, Orla, Murphy, Jamie, Shevlin, Mark, Gibson-Miller, Jilly, Levita, Liat, Martinez, Anton P., McKay, Ryan, Lloyd, Alex, Stocks, Thomas V. A., Bottesi, Gioa, Vidotto, Giulo, Bentall, Richard P., and Bertamini, Marco
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COVID-19 pandemic ,PSYCHOLOGICAL research ,PSYCHOLOGICAL factors ,ECOLOGICAL resilience ,PSYCHOLOGICAL resilience ,DISASTER resilience - Abstract
Although the COVID-19 pandemic has impacted the psychological wellbeing of some people, there is evidence that many have been much less affected. The Ecological Model of Resilience (EMR) may explain why some individuals are not resilient whilst others are. In this study we test the EMR in a comparison of UK survey data collected from the COVID-19 Psychological Research Consortium (C19PRC) longitudinal study of a representative sample of the United Kingdom (UK) adult population and data from an Italian arm of the study. We first compare data from the third wave of the UK arm of the study, collected in July/August 2020, with data from an equivalent sample and stage of the pandemic in Italy in July 2020. Next, using UK longitudinal data collected from C19PRC Waves 1, 3 and 5, collected between March 2020 and April 2021 we identify the proportion of people who were resilient. Finally, we examine which factors, drawn from the EMR, predict resilient and non-resilient outcomes. We find that the 72% of the UK sample was resilient, in line with the Italian study. In the cross-sectional logistic regression model, age and self-esteem were significantly associated with resilience whilst death anxiety thoughts, neuroticism, loneliness, and Post Traumatic Stress Disorder (PTSD) symptoms related to COVID-19 were significantly associated with Non-Resilient outcomes. In the longitudinal UK analysis, at Wave 5, 80% of the sample was Resilient. Service use, belonging to wider neighbourhood, self-rated health, self-esteem, openness, and externally generated death anxiety were associated with Resilient outcomes. In contrast, PTSD symptoms and loneliness were associated with Non-Resilient outcomes. The EMR effectively explained the results. There were some variables which are amenable to intervention which could increase resilience in the face of similar future challenges. [ABSTRACT FROM AUTHOR]
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- 2023
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15. Influence of the Covid 19 pandemic on changes in aerobic fitness and injury incidence in elite male soccer players:Isolated training effects on fitness in soccer
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Unnithan, Viswanath, Drust, Barry, Brow, Colin, Bakhshi, Andisheh, Mason, Liam, and Weston, Matthew
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elite soccer ,Covid 19 ,maximal aerobic speed - Abstract
BACKGROUND: The SARS-COV2 agent initiated a global pandemic. The initial response to the pandemic was severe disruption to the public and private sector including sports. The resultant was that soccer clubs had to prescribe that the players trained in isolation for a prolonged period of time in an attempt to maintain fitness. The aim of the present study was to evaluate the impact of a 10-week period of training in isolation on aerobic fitness, body composition and injury incidence on the return to pre-season team-training in a group of elite, male soccer players. METHODS: Twenty-two professional soccer players (age: 25.2 ± 4.4 years) who played for an English Championship first team participated in this study. A weekly training programme was sent to each player at the start of each week. Prior to the start of the isolated training period, all players underwent a maximal aerobic speed test (MAS) and body mass index data (BMI) were obtained. These measurements were repeated on the return to team training. RESULTS: There was a significant (p
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- 2022
16. Refuting the myth of a 'tsunami' of mental ill-health in populations affected by COVID-19: evidence that response to the pandemic is heterogeneous, not homogeneous.
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Shevlin, Mark, Butter, Sarah, McBride, Orla, Murphy, Jamie, Gibson-Miller, Jilly, Hartman, Todd K., Levita, Liat, Mason, Liam, Martinez, Anton P., McKay, Ryan, Stocks, Thomas V. A., Bennett, Kate, Hyland, Philip, and Bentall, Richard P.
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PSYCHIATRIC epidemiology ,STRUCTURAL equation modeling ,RESEARCH funding ,MENTAL depression ,QUESTIONNAIRES ,ANXIETY ,COVID-19 pandemic ,LONGITUDINAL method - Abstract
Background: The current study argues that population prevalence estimates for mental health disorders, or changes in mean scores over time, may not adequately reflect the heterogeneity in mental health response to the COVID-19 pandemic within the population. Methods: The COVID-19 Psychological Research Consortium (C19PRC) Study is a longitudinal, nationally representative, online survey of UK adults. The current study analysed data from its first three waves of data collection: Wave 1 (March 2020, N = 2025), Wave 2 (April 2020, N = 1406) and Wave 3 (July 2020, N = 1166). Anxiety-depression was measured using the Patient Health Questionnaire Anxiety and Depression Scale (a composite measure of the PHQ-9 and GAD-7) and COVID-19-related posttraumatic stress disorder (PTSD) with the International Trauma Questionnaire. Changes in mental health outcomes were modelled across the three waves. Latent class growth analysis was used to identify subgroups of individuals with different trajectories of change in anxiety-depression and COVID-19 PTSD. Latent class membership was regressed on baseline characteristics. Results: Overall prevalence of anxiety-depression remained stable, while COVID-19 PTSD reduced between Waves 2 and 3. Heterogeneity in mental health response was found, and hypothesised classes reflecting (i) stability, (ii) improvement and (iii) deterioration in mental health were identified. Psychological factors were most likely to differentiate the improving, deteriorating and high-stable classes from the low-stable mental health trajectories. Conclusions: A low-stable profile characterised by little-to-no psychological distress ('resilient' class) was the most common trajectory for both anxiety-depression and COVID-19 PTSD. Monitoring these trajectories is necessary moving forward, in particular for the ~30% of individuals with increasing anxiety-depression levels. [ABSTRACT FROM AUTHOR]
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- 2023
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17. Context, design and conduct of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study – Wave 3
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McBride, Orla, Butter, Sarah, Murphy, Jamie, Shevlin, Mark, Hartman, Todd K., Hyland, Philip, McKay, Ryan, Bennett, Kate M., Gibson-Miller, Jilly, Levita, Liat, Mason, Liam, Martinez, Anton P., Stocks, Thomas VA, Vallières, Frédérique, Karatzias, Thanos, Valiente, Carmen, Vazquez, Carmelo, and Bentall, Richard P.
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longitudinal ,COVID-19 ,survey methodology ,psychological ,general population - Abstract
Objectives: The COVID-19 Psychological Research Consortium (C19PRC) Study aims to assess the impact of the COVID-19 pandemic in the adult population in multiple countries. This paper describes the third wave of the UK survey (the ‘parent’ strand of the Consortium) during July-August 2020. Methods: Adults (N=2025) who participated in the baseline and/or first follow-up surveys were reinvited to participate in this survey, which assessed: (1) COVID-19 related knowledge, attitudes, and behaviours; (2) the occurrence of common mental disorders; as well as the role of (3) psychological factors and (4) social and political attitudes, in influencing the public’s response to the pandemic. Weights were calculated using a survey raking algorithm to ensure that the cross-sectional sample is nationally representative in terms of gender, age, and household income, and representative of the baseline sample characteristics for household composition, ethnicity, urbanicity and born/raised in UK. Results: 1166 adults (57.6% of baseline participants) provided full interviews at Wave 3. The raking procedure successfully re-balanced the cross-sectional sample to within 1% of population estimates across selected socio-demographic characteristics. Conclusion: This paper demonstrates the strength of the C19PRC Study data to facilitate and stimulate interdisciplinary research addressing important public health questions relating to the COVID-19 pandemic.
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- 2021
18. Tracking the psychological and socio‐economic impact of the COVID‐19 pandemic in the UK: A methodological report from Wave 5 of the COVID‐19 Psychological Research Consortium (C19PRC) Study.
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McBride, Orla, Butter, Sarah, Murphy, Jamie, Hartman, Todd K., McKay, Ryan, Hyland, Philip, Shevlin, Mark, Bennett, Kate M., Stocks, Thomas V. A., Lloyd, Alex, Gibson‐Miller, Jilly, Levita, Liat, Mason, Liam, Martinez, Anton P., Vallières, Frédérique, Karatzias, Thanos, and Bentall, Richard P.
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COVID-19 pandemic ,PSYCHOLOGICAL research ,PSYCHOLOGICAL factors ,CONSORTIA ,MENTAL health services - Abstract
Objectives: The COVID‐19 Psychological Research Consortium (C19PRC) Study was established in March 2020 to monitor the psychological and socio‐economic impact of the pandemic in the UK and other countries. This paper describes the protocol for Wave 5 (March–April 2021). Methods: The survey assessed: COVID‐19 related experiences; experiences of common mental health disorders; psychological characteristics; and social and political attitudes. Adults who participated in any previous wave (N = 4949) were re‐invited to participate. Weights were calculated using a survey raking algorithm to ensure the longitudinal panel was nationally representative in terms of gender, age, and household income, amongst other factors. Results: Overall, 2520 adults participated. A total of 2377 adults who participated in the previous survey wave (November–December 2020) were re‐interviewed at Wave 5 (61.5% retention rate). Attrition between these two waves was predicted by younger age, lower household income, children living in the household, and treatment for mental health difficulties. Of the adults recruited into the C19PRC study at baseline, 57.4% (N = 1162) participated in Wave 5. The raking procedure re‐balanced the longitudinal panel to within 1.5% of population estimates for selected socio‐demographic characteristics. Conclusion: This paper outlines the growing strength of the publicly available C19PRC Study data for COVID‐19‐related interdisciplinary research. [ABSTRACT FROM AUTHOR]
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- 2022
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19. How does the COVID-19 pandemic impact on population mental health? A network analysis of COVID influences on depression, anxiety and traumatic stress in the UK population.
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Zavlis, Orestis, Butter, Sarah, Bennett, Kate, Hartman, Todd K., Hyland, Philip, Mason, Liam, McBride, Orla, Murphy, Jamie, Gibson-Miller, Jilly, Levita, Liat, Martinez, Anton P., Shevlin, Mark, Stocks, Thomas V. A., Vallières, Frédérique, and Bentall, Richard P.
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COVID-19 ,MENTAL depression risk factors ,POST-traumatic stress disorder ,ECONOMIC impact ,SOCIAL network analysis ,RISK assessment ,PSYCHOLOGICAL tests ,QUESTIONNAIRES ,RESEARCH funding ,POPULATION health ,ANXIETY ,ECONOMIC aspects of diseases ,COVID-19 pandemic - Abstract
Background: The coronavirus disease 2019 (COVID-19) emergency has led to numerous attempts to assess the impact of the pandemic on population mental health. The findings indicate an increase in depression and anxiety but have been limited by the lack of specificity about which aspects of the pandemic (e.g. viral exposure or economic threats) have led to adverse mental health outcomes. Methods: Network analyses were conducted on data from wave 1 (N = 2025, recruited 23 March–28 March 2020) and wave 2 (N = 1406, recontacts 22 April–1 May 2020) of the COVID-19 Psychological Research Consortium Study, an online longitudinal survey of a representative sample of the UK adult population. Our models included depression (PHQ-9), generalized anxiety (GAD-7) and trauma symptoms (ITQ); and measures of COVID-specific anxiety, exposure to the virus in self and close others, as well as economic loss due to the pandemic. Results: A mixed graphical model at wave 1 identified a potential pathway from economic adversity to anxiety symptoms via COVID-specific anxiety. There was no association between viral exposure and symptoms. Ising network models using clinical cut-offs for symptom scores at each wave yielded similar findings, with the exception of a modest effect of viral exposure on trauma symptoms at wave 1 only. Anxiety and depression symptoms formed separate clusters at wave 1 but not wave 2. Conclusions: The psychological impact of the pandemic evolved in the early phase of lockdown. COVID-related anxiety may represent the mechanism through which economic consequences of the pandemic are associated with psychiatric symptoms. [ABSTRACT FROM AUTHOR]
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- 2022
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20. Testing both affordability-availability and psychological-coping mechanisms underlying changes in alcohol use during the COVID-19 pandemic.
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McBride, Orla, Bunting, Eimhear, Harkin, Oisín, Butter, Sarah, Shevlin, Mark, Murphy, Jamie, Mason, Liam, Hartman, Todd K., McKay, Ryan, Hyland, Philip, Levita, Liat, Bennett, Kate M., Stocks, Thomas V. A., Gibson-Miller, Jilly, Martinez, Anton P., Vallières, Frédérique, and Bentall, Richard P.
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BEVERAGES ,COVID-19 pandemic ,ALCOHOL drinking ,ALCOHOL ,POST-traumatic stress ,STRUCTURAL equation modeling ,DISPOSABLE income - Abstract
Two theoretical perspectives have been proffered to explain changes in alcohol use during the pandemic: the 'affordability-availability' mechanism (i.e., drinking decreases due to changes in physical availability and/or reduced disposable income) and the 'psychological-coping' mechanism (i.e., drinking increases as adults attempt to cope with pandemic-related distress). We tested these alternative perspectives via longitudinal analyses of the COVID-19 Psychological Consortium (C19PRC) Study data (spanning three timepoints during March to July 2020). Respondents provided data on psychological measures (e.g., anxiety, depression, posttraumatic stress, paranoia, extraversion, neuroticism, death anxiety, COVID-19 anxiety, intolerance of uncertainty, resilience), changes in socio-economic circumstances (e.g., income loss, reduced working hours), drinking motives, solitary drinking, and 'at-risk' drinking (assessed using a modified version of the AUDIT-C). Structural equation modelling was used to determine (i) whether 'at-risk' drinking during the pandemic differed from that recalled before the pandemic, (ii) dimensions of drinking motives and the psychosocial correlates of these dimensions, (iii) if increased alcohol consumption was predicted by drinking motives, solitary drinking, and socio-economic changes. The proportion of adults who recalled engaging in 'at-risk' drinking decreased significantly from 35.9% pre-pandemic to 32.0% during the pandemic. Drinking to cope was uniquely predicted by experiences of anxiety and/or depression and low resilience levels. Income loss or reduced working hours were not associated with coping, social enhancement, or conformity drinking motives, nor changes in drinking during lockdown. In the earliest stage of the pandemic, psychological-coping mechanisms may have been a stronger driver to changes in adults' alcohol use than 'affordability-availability' alone. [ABSTRACT FROM AUTHOR]
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- 2022
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21. Design, content, and fieldwork procedures of the COVID‐19 Psychological Research Consortium (C19PRC) Study – Wave 4.
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McBride, Orla, Butter, Sarah, Murphy, Jamie, Shevlin, Mark, Hartman, Todd K., Bennett, Kate M., Stocks, Thomas V. A., Lloyd, Alex, McKay, Ryan, Gibson‐Miller, Jilly, Levita, Liat, Mason, Liam, Martinez, Anton P., Hyland, Philip, Vallières, Frédérique, Karatzias, Thanos, Valiente, Carmen, Vazquez, Carmelo, and Bentall, Richard P.
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PSYCHOLOGICAL research ,MENTAL illness ,COVID-19 ,POST-traumatic stress ,COVID-19 pandemic - Abstract
Objectives: This paper outlines fieldwork procedures for Wave 4 of the COVID‐19 Psychological Research Consortium (C19PRC) Study in the UK during November–December 2020. Methods: Respondents provided data on socio‐political attitudes, beliefs, and behaviours, and mental health disorders (anxiety, depression, and posttraumatic stress). In Phase 1, adults (N = 2878) were reinvited to participate. At Phase 2, new recruitment: (i) replenished the longitudinal strand to account for attrition; and (ii) oversampled from the devolved UK nations to facilitate robust between‐country analyses for core study outcomes. Weights were calculated using a survey raking algorithm to ensure the longitudinal panel was representative of the baseline sample characteristics. Results: In Phase 1, 1796 adults were successfully recontacted and provided full interviews at Wave 4 (62.4% retention rate). In Phase 2, 292 new respondents were recruited to replenish the panel, as well as 1779 adults from Wales, Scotland, and Northern Ireland, who were representative of the socio‐political composition of the adult populations in these nations. The raking procedure successfully re‐balanced the longitudinal panel to within 1% of population estimates for selected socio‐demographic characteristics. Conclusion: The C19PRC Study offers a unique opportunity to facilitate and stimulate interdisciplinary research addressing important public health questions relating to the COVID‐19 pandemic. [ABSTRACT FROM AUTHOR]
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- 2022
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22. Reward Processing in Children With Psychotic-Like Experiences.
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Harju-Seppänen, Jasmine, Irizar, Haritz, Bramon, Elvira, Blakemore, Sarah-Jayne, Mason, Liam, and Bell, Vaughan
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PSYCHOSES in children ,MOTIVATION (Psychology) ,RESEARCH methodology ,REGRESSION analysis ,DEVELOPMENTAL disabilities ,MAGNETIC resonance imaging ,REWARD (Psychology) in children - Abstract
Alterations to striatal reward pathways have been identified in individuals with psychosis. They are hypothesized to be a key mechanism that generate psychotic symptoms through the production of aberrant attribution of motivational salience and are proposed to result from accumulated childhood adversity and genetic risk, making the striatal system hyper-responsive to stress. However, few studies have examined whether children with psychotic-like experiences (PLEs) also exhibit these alterations, limiting our understanding of how differences in reward processing relate to hallucinations and delusional ideation in childhood. Consequently, we examined whether PLEs and PLE-related distress were associated with reward-related activation in the nucleus accumbens (NAcc). The sample consisted of children (N = 6718) from the Adolescent Brain Cognitive Development (ABCD) study aged 9–10 years who had participated in the Monetary Incentive Delay (MID) task in functional MRI. We used robust mixed-effects linear regression models to investigate the relationship between PLEs and NAcc activation during the reward anticipation and reward outcome stages of the MID task. Analyses were adjusted for gender, household income, ethnicity, depressive symptoms, movement in the scanner, pubertal development, scanner ID, subject and family ID. There was no reliable association between PLEs and alterations to anticipation- or outcome-related striatal reward processing. We discuss the implications for developmental models of psychosis and suggest a developmental delay model of how PLEs may arise at this stage of development. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
23. Detecting and describing stability and change in COVID-19 vaccine receptibility in the United Kingdom and Ireland.
- Author
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Hyland, Philip, Vallières, Frédérique, Hartman, Todd K., McKay, Ryan, Butter, Sarah, Bentall, Richard P., McBride, Orla, Shevlin, Mark, Bennett, Kate, Mason, Liam, Gibson-Miller, Jilly, Levita, Liat, Martinez, Anton P., Stocks, Thomas V. A., Karatzias, Thanos, and Murphy, Jamie
- Subjects
COVID-19 vaccines ,COVID-19 ,VACCINE effectiveness ,VACCINATION ,PANEL analysis - Abstract
COVID-19 continues to pose a threat to global public health. Multiple safe and effective vaccines against COVID-19 are available with one-third of the global population now vaccinated. Achieving a sufficient level of vaccine coverage to suppress COVID-19 requires, in part, sufficient acceptance among the public. However, relatively high rates of hesitance and resistance to COVID-19 vaccination persists, threating public health efforts to achieve vaccine-induced population protection. In this study, we examined longitudinal changes in COVID-19 vaccine acceptance, hesitance, and resistance in two nations (the United Kingdom and the Republic of Ireland) during the first nine months of the pandemic, and identified individual and psychological factors associated with consistent non-acceptance of COVID-19 vaccination. Using nationally representative, longitudinal data from the United Kingdom (UK; N = 2025) and Ireland (N = 1041), we found that (1) COVID-19 vaccine acceptance declined in the UK and remained unchanged in Ireland following the emergence of approved vaccines; (2) multiple subgroups existed reflecting people who were consistently willing to be vaccinated ('Accepters': 68% in the UK and 61% in Ireland), consistently unwilling to be vaccinated ('Deniers': 12% in the UK and 16% in Ireland), and who fluctuated over time ('Moveable Middle': 20% in the UK and 23% in Ireland); and (3) the 'deniers' and 'moveable middle' were distinguishable from the 'accepters' on a range of individual (e.g., younger, low income, living alone) and psychological (e.g., distrust of scientists and doctors, conspiracy mindedness) factors. The use of two high-income, Western European nations limits the generalizability of these findings. Nevertheless, understanding how receptibility to COVID-19 vaccination changes as the pandemic unfolds, and the factors that distinguish and characterise those that are hesitant and resistant to vaccination is helpful for public health efforts to achieve vaccine-induced population protection against COVID-19. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
24. Context, design and conduct of the longitudinal COVID‐19 psychological research consortium study–wave 3.
- Author
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McBride, Orla, Butter, Sarah, Murphy, Jamie, Shevlin, Mark, Hartman, Todd K., Hyland, Philip, McKay, Ryan, Bennett, Kate M., Gibson‐Miller, Jilly, Levita, Liat, Mason, Liam, Martinez, Anton P., Stocks, Thomas VA, Vallières, Frédérique, Karatzias, Thanos, Valiente, Carmen, Vazquez, Carmelo, and Bentall, Richard P.
- Subjects
COVID-19 ,PSYCHOLOGICAL research ,COVID-19 pandemic ,GENDER ,POLITICAL attitudes - Abstract
Objectives: The COVID‐19 Psychological Research Consortium (C19PRC) Study aims to assess the impact of the COVID‐19 pandemic in the adult population in multiple countries. This paper describes the third wave of the UK survey (the 'parent' strand of the Consortium) during July‐August 2020. Methods: Adults (N = 2025) who participated in the baseline and/or first follow‐up surveys were reinvited to participate in this survey, which assessed: (1) COVID‐19 related knowledge, attitudes, and behaviours; (2) the occurrence of common mental disorders; as well as the role of (3) psychological factors and (4) social and political attitudes, in influencing the public's response to the pandemic. Weights were calculated using a survey raking algorithm to ensure that the cross‐sectional sample is nationally representative in terms of gender, age, and household income, and representative of the baseline sample characteristics for household composition, ethnicity, urbanicity and born/raised in UK. Results: 1166 adults (57.6% of baseline participants) provided full interviews at Wave 3. The raking procedure successfully re‐balanced the cross‐sectional sample to within 1% of population estimates across selected socio‐demographic characteristics. Conclusion: This paper demonstrates the strength of the C19PRC Study data to facilitate and stimulate interdisciplinary research addressing important public health questions relating to the COVID‐19 pandemic. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
25. Nutritional habits of professional team sport athletes: An insight into the carbohydrate, fluid, and caffeine habits of English Premier League football players during match play.
- Author
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Kasper, Andreas M., Allan, James, Hodges, Daniel, Catterson, Paul, Mason, Liam, Fitzpatrick, John, Grantham, Nick, Morton, James P., Hearris, Mark A., and Close, Graeme L.
- Abstract
\nHighlightsTo better understand the in-match fuelling practices of elite football players and compare against current guidelines, we quantified the carbohydrate, fluid, and caffeine intake of players from an English Premier League club (
n = 22) during 90 min of competitive match-play. Mean carbohydrate intake across match-play was 17 ± 11 g.h−1 with players demonstrating a preference towards CHO-containing fluids (58%) when compared with semi-solids (38%) and solids (14%), respectively. CHO intake was significantly lower than reported by players (17 ± 11 vs 24.8 ± 11 g.h−1,p < 0.001) during initial consultation. Fluid was ingested at a rate of 0.45 ± 0.14 L.h−1, with 54, 40 and 6% of ingested fluid coming from water, carbohydrate, and electrolyte-only solutions, respectively. The majority of players (91%) met the UEFA guidelines for fluid consumption. Of the players who consumed caffeine across match-play (55%) the average dose was 233 ± 148 mg (2.8 ± 1.1 mg.kg−1 body mass [BM]), which meets the UEFA consensus guidelines for caffeine intake. Caffeine capsules (42%) and caffeine containing fluids (30%) were the preferred format prior to the warm-up whilst caffeine gum was exclusively used prior to kick-off and during the half-time period (100%). We conclude that 81% of the total playing squad failed to meet the current UEFA CHO intake recommendations of 30–60 g.h−1, which may be attributed to the preference towards fluid-based CHOs as the chosen format of delivery. Soccer players demonstrate sub-optimal in-match fuelling practices, with 81% of players failing to meet current UEFA CHO intake recommendations of 30-60 g.h−1Players demonstrate a preference towards fluid as the primary mode of CHO delivery over the use of semi-solid and solid formats.These data highlight the need for future research to test the efficacy of lower doses of CHO on elements of both physical and technical soccer performance in a dose-response manner.Future research is also necessary to investigate the impact of traditional guidelines and recommendations within football-specific contexts to assess their effectiveness and relevance in practical applications.Soccer players demonstrate sub-optimal in-match fuelling practices, with 81% of players failing to meet current UEFA CHO intake recommendations of 30-60 g.h−1Players demonstrate a preference towards fluid as the primary mode of CHO delivery over the use of semi-solid and solid formats.These data highlight the need for future research to test the efficacy of lower doses of CHO on elements of both physical and technical soccer performance in a dose-response manner.Future research is also necessary to investigate the impact of traditional guidelines and recommendations within football-specific contexts to assess their effectiveness and relevance in practical applications. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
26. The association between physical outputs and match outcome across different playing styles for a professional second-tier football team across two complete seasons.
- Author
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Mason L, Panayi S, Wright J, and Bruce-Low S
- Abstract
Background: Elite-level football requires an array of physical, technical, psychological, and tactical skills. The aim of this study was to measure the association between physical outputs (distance, decelerations, accelerations) and the match outcome (win, draw, lose) in professional football. This research also examined whether the same association is influenced if a team adopts a possession or transition-based playing style., Methods: Thirty-six elite-outfield football players from an English Championship team participated in the study during the 2020/2021 and 2021/2022 seasons using physical and event data collected from an English Championship club over the 2020-2021 and 2021-2022 seasons, this study conducted a univariate analysis of variance (ANOVA) and Hedge g effect size (ES) to measure the research aims., Results: The results showed no significant differences were found between match outcomes for each physical output metric calculated. There was a trivial ES shown for all conditions except decelerations, with win/lose having a moderate ES (g=0.53). When playing a possession-based playing style there was no significant difference or non-trivial ES found for any physical output and match outcomes. When playing a transition-based playing style there was a moderate ES found for win/draw (P=0.38, g=0.90) and win/loss (P=0.98, g=0.64)., Conclusions: This research provides important evidence for utilizing intense deceleration actions as a physical KPI during match play for teams adopting a transitional playing style. Subsequently, training interventions should be adopted to physically prepare players to complete and sustain intense deceleration actions during match play.
- Published
- 2024
- Full Text
- View/download PDF
27. Psychological responses to the COVID-19 pandemic are heterogeneous but have stabilised over time: 1 year longitudinal follow-up of the COVID-19 Psychological Research Consortium (C19PRC) study.
- Author
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Shevlin M, Butter S, McBride O, Murphy J, Gibson-Miller J, Hartman TK, Levita L, Mason L, Martinez AP, McKay R, Stocks TVA, Bennett KM, Hyland P, Vallieres F, and Bentall RP
- Subjects
- Humans, Follow-Up Studies, Pandemics, Longitudinal Studies, COVID-19
- Published
- 2023
- Full Text
- View/download PDF
28. Influence of the COVID-19 pandemic on changes in aerobic fitness and injury incidence in elite male soccer players.
- Author
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Unnithan VB, Drust B, Brow C, Bakhshi A, Mason L, and Weston M
- Subjects
- Humans, Male, Young Adult, Adult, Pandemics, Incidence, SARS-CoV-2, Soccer physiology, COVID-19 epidemiology
- Abstract
Background: The SARS-CoV-2 agent initiated a global pandemic. The initial response to the pandemic was severe disruption to the public and private sector including sports. The resultant was that soccer clubs had to prescribe that the players trained in isolation for a prolonged period of time in an attempt to maintain fitness. The aim of the present study was to evaluate the impact of a 10-week period of training in isolation on aerobic fitness, body composition and injury incidence on the return to preseason team-training in a group of elite, male soccer players., Methods: Twenty-two professional soccer players (age: 25.2±4.4 years) who played for an English Championship first team participated in this study. A weekly training program was sent to each player at the start of each week. Prior to the start of the isolated training period, all players underwent a maximal aerobic speed test (MAS), and Body Mass Index data (BMI) were obtained. These measurements were repeated on the return to team training., Results: There was a significant (P<0.05) increase in MAS pre-post isolated training (pre: 4.71±0.15 vs. post: 4.92±0.17 m/s), no change in BMI (pre: 24.3±1.3 vs. post: 24.1±1.1 kg/m
2 ) and a low non-contact, soft-tissue injury incidence on the return to team training., Conclusions: The evidence from this study suggests that a more prolonged preseason schedule can enhance aerobic conditioning and mitigate the injury risk on the return to competitive match-play in elite soccer players.- Published
- 2023
- Full Text
- View/download PDF
29. Sharing data to better understand one of the world's most significant shared experiences: data resource profile of the longitudinal COVID-19 psychological research consortium (C19PRC) study.
- Author
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McBride O, Butter S, Hartman TK, Murphy J, Hyland P, Shevlin M, Gibson-Miller J, Levita L, Mason L, Martinez AP, McKay R, Lloyd A, Stocks TV, Bennett KM, Vallières F, Karatzias T, Valiente C, Vazquez C, Contreras A, Bertamini M, Panzeri A, Bruno G, and Bentall RP
- Abstract
This paper serves to alert IJPDS readers to the availability of a major new longitudinal survey data resource, the COVID-19 Psychological Research Consortium (C19PRC) Study , which is being released for secondary use via the Open Science Framework. The C19PRC Study is a rich and detailed dataset that provides a convenient and valuable foundation from which to study the social, political, and health status of European adults during an unprecedented time of change as a direct result of the COVID-19 pandemic and Brexit. Here, we provide an overview of the C19PRC Study design, with the purpose of stimulating interest about the study among social scientists and maximising use of this resource., Competing Interests: Conflicts of interest: The authors report no conflict of interest.
- Published
- 2022
- Full Text
- View/download PDF
30. Reward Processing in Children With Psychotic-Like Experiences.
- Author
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Harju-Seppänen J, Irizar H, Bramon E, Blakemore SJ, Mason L, and Bell V
- Abstract
Alterations to striatal reward pathways have been identified in individuals with psychosis. They are hypothesized to be a key mechanism that generate psychotic symptoms through the production of aberrant attribution of motivational salience and are proposed to result from accumulated childhood adversity and genetic risk, making the striatal system hyper-responsive to stress. However, few studies have examined whether children with psychotic-like experiences (PLEs) also exhibit these alterations, limiting our understanding of how differences in reward processing relate to hallucinations and delusional ideation in childhood. Consequently, we examined whether PLEs and PLE-related distress were associated with reward-related activation in the nucleus accumbens (NAcc). The sample consisted of children ( N = 6718) from the Adolescent Brain Cognitive Development (ABCD) study aged 9-10 years who had participated in the Monetary Incentive Delay (MID) task in functional MRI. We used robust mixed-effects linear regression models to investigate the relationship between PLEs and NAcc activation during the reward anticipation and reward outcome stages of the MID task. Analyses were adjusted for gender, household income, ethnicity, depressive symptoms, movement in the scanner, pubertal development, scanner ID, subject and family ID. There was no reliable association between PLEs and alterations to anticipation- or outcome-related striatal reward processing. We discuss the implications for developmental models of psychosis and suggest a developmental delay model of how PLEs may arise at this stage of development., (© The Author(s) 2021. Published by Oxford University Press on behalf of the University of Maryland's school of medicine, Maryland Psychiatric Research Center.)
- Published
- 2021
- Full Text
- View/download PDF
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