36 results on '"Crockett, Rachel"'
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2. Reshaping the path of mild cognitive impairment by refining exercise prescription: a study protocol of a randomized controlled trial to understand the “what,” “for whom,” and “how” of exercise to promote cognitive function
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Barha, Cindy K., Falck, Ryan S., Best, John R., Nagamatsu, Lindsay S., Hsiung, Ging-Yuek Robin, Sheel, A. William, Hsu, Chun Liang, Kramer, Arthur F., Voss, Michelle W., Erickson, Kirk I., Davis, Jennifer C., Shoemaker, J. Kevin, Boyd, Lara, Crockett, Rachel A., ten Brinke, Lisanne, Bherer, Louis, Singer, Joel, Galea, Liisa A. M., Jacova, Claudia, Bullock, Alexis, Grant, Sofia, and Liu-Ambrose, Teresa
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- 2022
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3. Mind the gaps: functional networks disrupted by white matter hyperintensities are associated with greater falls risk
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Crockett, Rachel A., Hsu, Chun Liang, Dao, Elizabeth, Tam, Roger, Alkeridy, Walid, Eng, Janice J., Handy, Todd C., and Liu-Ambrose, Teresa
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- 2022
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4. Painting by lesions: White matter hyperintensities disrupt functional networks and global cognition
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Crockett, Rachel A., Hsu, Chun Liang, Dao, Elizabeth, Tam, Roger, Eng, Janice J., Handy, Todd C., and Liu-Ambrose, Teresa
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- 2021
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5. Reshaping the path of vascular cognitive impairment with resistance training: a study protocol for a randomized controlled trial
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Liu-Ambrose, Teresa, Dao, Elizabeth, Crockett, Rachel A., Barha, Cindy K., Falck, Ryan S., Best, John R., Hsiung, Ging-Yeuk R., Field, Thalia S., Madden, Kenneth M., Alkeridy, Walid A., Boa Sorte Silva, Narlon C., Davis, Jennifer C., ten Brinke, Lisanne F., Doherty, Stephanie, and Tam, Roger C.
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- 2021
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6. Impact of exercise training on physical and cognitive function among older adults: a systematic review and meta-analysis
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Falck, Ryan S., Davis, Jennifer C., Best, John R., Crockett, Rachel A., and Liu-Ambrose, Teresa
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- 2019
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7. Registered nurses’ perceptions and experiences of autonomy: a descriptive phenomenological study
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Oshodi, Titilayo Olufunke, Bruneau, Benjamin, Crockett, Rachel, Kinchington, Francia, Nayar, Shoba, and West, Elizabeth
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- 2019
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8. The impact of nutritional labels and socioeconomic status on energy intake. An experimental field study
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Crockett, Rachel A., Jebb, Susan A., Hankins, Matthew, and Marteau, Theresa M.
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- 2014
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9. The nursing work environment and quality of care: A cross‐sectional study using the Essentials of Magnetism II Scale in England
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Oshodi, Titilayo O, Crockett, Rachel, Bruneau, Benjamin, and West, Elizabeth
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- 2017
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10. Effects of soy protein isolate and egg white solids on the physicochemical properties of gluten-free bread
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Crockett, Rachel, Ie, Pauline, and Vodovotz, Yael
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- 2011
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11. Weight for It: Resistance Training Mitigates White Matter Hyperintensity-Related Disruption to Functional Networks in Older Females.
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Crockett, Rachel A., Hsu, Chun Liang, Dao, Elizabeth, Tam, Roger, Eng, Janice J., Handy, Todd C., and Liu-Ambrose, Teresa
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WHITE matter (Nerve tissue) , *WEIGHT training , *EXECUTIVE function , *LARGE-scale brain networks , *RESISTANCE training , *EVALUATION research , *BRAIN , *MAGNETIC resonance imaging , *RANDOMIZED controlled trials , *RESEARCH , *RESEARCH methodology , *COMPARATIVE studies , *ACCIDENTAL falls , *COGNITION , *IMPACT of Event Scale - Abstract
Background: White matter hyperintensities (WMH) are associated with impaired cognition and increased falls risk. Resistance training (RT) is a promising intervention to reduce WMH progression, improve executive functions, and reduce falls. However, the underlying neurobiological process by which RT improves executive functions and falls risk remain unclear. We hypothesized that: 1) RT reduces the level of WMH-related disruption to functional networks; and 2) reduced disruption to the sensorimotor and attention networks will be associated with improved executive function and reduced falls risk.Objective: Investigate the impact of 52 weeks of RT on WMH-related disruption to functional networks.Methods: Thirty-two older females (65-75 years) were included in this exploratory analysis of a 52-week randomized controlled trial. Participants received either twice-weekly RT or balance and tone training (control). We used lesion network mapping to assess changes in WMH-related disruption to the sensorimotor, dorsal attention, and ventral attention networks. Executive function was measured using the Stroop Colour-Word Test. Falls risk was assessed using the Physiological Profile Assessment (PPA) and the foam sway test.Results: RT significantly reduced the level of WMH-related disruption to the sensorimotor network (p = 0.012). Reduced disruption to the dorsal attention network was associated with improvements in Stroop performance (r = 0.527, p = 0.030). Reduced disruption to the ventral attention network was associated with reduced PPA score (r = 0.485, p = 0.049)Conclusion:RT may be a promising intervention to mitigate WMH-related disruption to the sensorimotor network. Additionally, reducing disruption to the dorsal and ventral attention networks may contribute to improved executive function and reduced falls risk respectively. [ABSTRACT FROM AUTHOR]- Published
- 2022
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12. The role of alcohol packaging as a health communications tool: An online cross‐sectional survey and experiment with young adult drinkers in the United Kingdom.
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Jones, Daniel, Moodie, Crawford, Purves, Richard I., Fitzgerald, Niamh, and Crockett, Rachel
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YOUNG adults ,HARM reduction ,MEDICAL communication ,INTERNET surveys ,SOCIAL acceptance ,ALCOHOL - Abstract
Introduction: Alcohol packaging is a potentially valuable means of communicating product and health‐related information, with growing academic and political interest in its role as a health communications vehicle. Methods: An online cross‐sectional survey and experiment were conducted with a non‐probability sample of 18–35‐year‐old drinkers in the United Kingdom (n = 1360). The survey assessed exposure to, and engagement with, current messaging on packs, and support for displaying product and health‐related information. For the randomised experiment, participants were shown, and asked questions about, a vodka bottle with either no warnings (control), small text warnings, large text warnings or pictorial (image‐and‐text) warnings; the main binary outcome measures were negative product appeal and social acceptability, and positive cognitive and behavioural impact. Results: Two‐fifths of the sample rarely or never saw on‐pack health‐related information, with almost three‐quarters rarely or never reading or looking closely at this. There was strong support for displaying a range of product and health‐related information (e.g. units, ingredients) on packs. Relative to the control, products with warnings were more likely to be perceived as unappealing and socially unacceptable, and to positively impact alcohol‐related cognitions and behaviours. For example, pictorial warnings were 10 times as likely to positively influence cognitions and behaviours (AOR = 10.01, 95% CI: 8.09, 17.46). Discussion and Conclusions: Alcohol packaging could have an important role in delivering health messaging. Large pictorial or text warnings may help counteract the appeal and social acceptability of alcohol products and increase awareness of risks, potentially supporting a reduction in consumption and related harms. [ABSTRACT FROM AUTHOR]
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- 2022
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13. Social Patterning of Screening Uptake and the Impact of Facilitating Informed Choices: Psychological and Ethical Analyses
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Crockett, Rachel, Wilkinson, Timothy M., and Marteau, Theresa M.
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- 2008
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14. Health information, messaging and warnings on alcohol packaging: a focus group study with young adult drinkers in Scotland.
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Jones, Daniel, Moodie, Crawford, Purves, Richard I., Fitzgerald, Niamh, and Crockett, Rachel
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PACKAGING ,HEALTH policy ,MEDICINE information services ,FOCUS groups ,MOTIVATION (Psychology) ,ALCOHOL-induced disorders ,CONSUMER attitudes ,HEALTH information services ,LABELS ,HEALTH literacy ,ALCOHOL drinking ,DESCRIPTIVE statistics ,SOCIAL classes ,DISEASE risk factors - Abstract
Introduction: Alcohol packaging can communicate alcohol-related health information, messaging and warnings. However, there is a dearth of research exploring awareness of, and engagement with, health information and messaging on alcohol packaging, and response to novel alcohol warnings. Methods: Eight focus groups were conducted in Glasgow (Scotland) with current drinkers (n=50), segmented by age (18-24, 25-35), gender (female, male) and social grade (ABC1, C2DE), to explore awareness and use of health information and messaging on existing packaging, and perceptions of novel front-of-package warnings differing in size (small, large), form (text-only, text and image) and message content (general, specific). Results: Unaided recall of some health information and messaging was high (e.g. units, pregnancy symbols); however, most participants did not attend to or meaningfully engage with these, viewing them as unnoticeable, obscure and ineffective. Participants were skeptical of alcohol companies' motivations with respect to health messaging on products. They were surprised to see the novel warnings on alcohol products but generally supported their inclusion. Most thought that these warnings could increase awareness of alcohol-related harms, particularly for younger or potential drinkers. Large, combined (text and image) warnings with specific messages on the front of packaging were considered most engaging and potentially effective. Conclusions: The health-related information and messaging on alcohol packaging in Scotland is failing to inform consumers about the potential risks associated with alcohol use. Prominent warnings on alcohol packaging could help to capture attention, increase awareness of alcohol-related harms, and may support a reduction in consumption and alcohol-related harms. [ABSTRACT FROM AUTHOR]
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- 2021
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15. Reshaping the path of vascular cognitive impairment with progressive resistance training: A 12‐Month Randomized Trial.
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Falck, Ryan S, Tam, Roger, Dao, Elizabeth, Barha, Cindy K, Hsiung, Ging‐Yuek Robin, Crockett, Rachel A, Alkeridy, Walid Ahmed, Best, John R., Grant, Sofia, Field, Thalia S., Silva, Nárlon Cássio Boa Sorte, Brinke, Lisanne F Ten, and Liu‐Ambrose, Teresa
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Background: Subcortical ischaemic vascular cognitive impairment (SIVCI) is the most common form of vascular cognitive impairment. Importantly, SIVCI is considered the most treatable form of cognitive impairment, due to its modifiable risk factors such as hypertension and diabetes mellitus. Exercise training is a promising intervention to delay the progression of SIVCI, as it actively targets these cardiometabolic risk factors. Despite the demonstrated benefits of resistance training on cognitive function and emerging evidence suggesting resistance training may reduce the progression of white matter hyperintensities, research on SIVCI has predominantly focused on the use of aerobic exercise. Thus, we examined the efficacy of a 12‐month, twice‐weekly progressive resistance training (RT) program on cognitive function in older adults with SIVCI. Method: We conducted a 12‐month single‐blinded, randomized controlled trial with 91 adults with SIVCI who were randomly allocated to: 1) progressive RT; or 2) balance and tone exercises (BAT; control). Study eligibility included: 1) age 55 years and older; 2) neuroimaging evidence of cerebral small vessel disease at study entry; 3) mild cognitive impairment, as indicated by Montreal Cognitive Assessment scores < 26/30; and 4) the absence of dementia. Measurements occurred at baseline, 6 months, and 12 months. The primary outcome for cognitive function was the Alzheimer's Disease Assessment Scale‐Cognitive‐Plus (ADAS‐Cog 13 with additional cognitive tests). Gait speed over 4 meters was also assessed as impaired mobility is common among those with SIVCI. Result: Forty‐five participants were randomized to the RT group and 46 to the BAT group. Mean baseline age was 74.6 years (SD = 5.7 years), 66% of participants were female, and the median Fazekas score was 1. After adjusting for baseline, participants in the RT group had significantly better ADAS‐Cog Plus performance at 12 months vs. BAT (estimated mean difference [RT – BAT]:‐0.20; 95% CI:[‐0.39, ‐0.01]; p = 0.039). In addition, participants in RT had significantly faster gait speed at 12 months vs. BAT (estimated mean difference: ‐0.08 m/s; 95% CI: [‐0.16, 0.00]; p = 0.047). Conclusion: The prevalence and burden of SIVCI will only increase due to the world's aging population. Our results suggest progressive resistance training should be considered in the management and treatment of individuals with SIVCI. [ABSTRACT FROM AUTHOR]
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- 2023
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16. Sweat the Fall Stuff: Physical Activity Moderates the Association of White Matter Hyperintensities With Falls Risk in Older Adults.
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Crockett, Rachel A., Falck, Ryan. S., Dao, Elizabeth, Hsu, Chun Liang, Tam, Roger, Alkeridy, Walid, and Liu-Ambrose, Teresa
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OLDER people ,PHYSICAL activity ,WHITE matter (Nerve tissue) ,MONTREAL Cognitive Assessment ,OLD age - Abstract
Background: Falls in older adults are a major public health problem. White matter hyperintensities (WMHs) are highly prevalent in older adults and are a risk factor for falls. In the absence of a cure for WMHs, identifying potential strategies to counteract the risk of WMHs on falls are of great importance. Physical activity (PA) is a promising countermeasure to reduce both WMHs and falls risk. However, no study has yet investigated whether PA attenuates the association of WMHs with falls risk. We hypothesized that PA moderates the association between WMHs and falls risk. Methods: Seventy-six community-dwelling older adults aged 70–80 years old were included in this cross-sectional study. We indexed PA using the Physical Activity Score for the Elderly (PASE) Questionnaire. Falls risk was assessed using the Physiological Profile Assessment (PPA), and WMH volume (mm
3 ) was determined by an experienced radiologist on T2-weighted and PD-weighted MRI scans. We first examined the independent associations of WMH volume and PASE score with PPA. Subsequently, we examined whether PASE moderated the relationship between WMH volume and PPA. We plotted simple slopes to interpret the interaction effects. Age, sex, and Montreal Cognitive Assessment (MoCA) score were included as covariates in all models. Results: Participants had a mean age of 74 years (SD = 3 years) and 54 (74%) were female. Forty-nine participants (66%) had a Fazekas score of 1, 19 (26%) had a score of 2, and 6 (8%) a score of 3. Both PASE (β = −0.26 ± 0.11; p = 0.022) and WMH volume (β = 0.23 ± 0.11; p = 0.043) were each independently associated with PPA score. The interaction model indicated that PASE score moderated the association between WMH volume and PPA (β = −0.27 ± 0.12; p = 0.030), whereby higher PASE score attenuated the association between WMHs and falls risk. Conclusion: PA is an important moderator of falls risk. Importantly, older adults with WMH can reduce their risk of falls by increasing their PA. [ABSTRACT FROM AUTHOR]- Published
- 2021
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17. Trial Protocol: Using genotype to tailor prescribing of nicotine replacement therapy: a randomised controlled trial assessing impact of communication upon adherence
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Prevost A Toby, Wright Alison J, Johnstone Elaine C, Hollands Gareth J, Crockett Rachel A, Willis Thomas A, Whitwell Sophia, Hill Chloe, Aveyard Paul, Munafò Marcus R, Marteau Theresa M, Armstrong David, Sutton Stephen, and Kinmonth Ann
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Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background The behavioural impact of pharmacogenomics is untested; informing smokers of genetic test results for responsiveness to smoking cessation medication may increase adherence to this medication. The objective of this trial is to estimate the impact upon adherence to nicotine replacement therapy (NRT) of informing smokers that their oral dose of NRT has been tailored to a DNA analysis. Hypotheses to be tested are as follows: IAdherence to NRT is greater among smokers informed that their oral dose of NRT is tailored to an analysis of DNA (genotype), compared to one tailored to nicotine dependence questionnaire score (phenotype). II Amongst smokers who fail to quit at six months, motivation to make another quit attempt is lower when informed that their oral dose of NRT was tailored to genotype rather than phenotype. Methods/Design An open label, parallel groups randomised trial in which 630 adult smokers (smoking 10 or more cigarettes daily) using National Health Service (NHS) stop smoking services in primary care are randomly allocated to one of two groups: i. NRT oral dose tailored by DNA analysis (OPRM1 gene) (genotype), or ii. NRT oral dose tailored by nicotine dependence questionnaire score (phenotype) The primary outcome is proportion of prescribed NRT consumed in the first 28 days following an initial quit attempt, with the secondary outcome being motivation to make another quit attempt, amongst smokers not abstinent at six months. Other outcomes include adherence to NRT in the first seven days and biochemically validated smoking abstinence at six months. The primary outcome will be collected on 630 smokers allowing sufficient power to detect a 7.5% difference in mean proportion of NRT consumed using a two-tailed test at the 5% level of significance between groups. The proportion of all NRT consumed in the first four weeks of quitting will be compared between arms using an independent samples t-test and by estimating the 95% confidence interval for observed between-arm difference in mean NRT consumption (Hypothesis I). Motivation to make another quit attempt will be compared between arms in those failing to quit by six months (Hypothesis II). Discussion This is the first clinical trial evaluating the behavioural impact on adherence of prescribing medication using genetic rather than phenotypic information. Specific issues regarding the choice of design for trials of interventions of this kind are discussed. Trial details Funder: Medical Research Council (MRC) Grant number: G0500274 ISRCTN: 14352545 Date trial stated: June 2007 Expected end date: December 2009 Expected reporting date: December 2010
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- 2010
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18. Exploring the Contribution of Myelin Content in Normal Appearing White Matter to Cognitive Outcomes in Cerebral Small Vessel Disease.
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Dao, Elizabeth, Tam, Roger, Hsiung, Ging-Yuek R., ten Brinke, Lisanne, Crockett, Rachel, Barha, Cindy K., Yoo, Youngjin, Al Keridy, Walid, Doherty, Stephanie H., Laule, Cornelia, MacKay, Alex L., and Liu-Ambrose, Teresa
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CEREBRAL small vessel diseases ,TRAIL Making Test ,WHITE matter (Nerve tissue) ,MYELIN ,COGNITIVE ability ,OLDER people ,LEUKOENCEPHALOPATHIES ,BRAIN metabolism ,BRAIN ,RESEARCH ,RESEARCH methodology ,COGNITION ,MAGNETIC resonance imaging ,MEDICAL cooperation ,EVALUATION research ,NEUROPSYCHOLOGICAL tests ,COMPARATIVE studies ,NERVE tissue ,MEMORY disorders ,SHORT-term memory ,REACTION time - Abstract
Background: Myelin damage is a salient feature in cerebral small vessel disease (cSVD). Of note, myelin damage extends into the normal appearing white matter (NAWM). Currently, the specific role of myelin content in cognition is poorly understood.Objective: The objective of this exploratory study was to investigate the association between NAWM myelin and cognitive function in older adults with cSVD.Methods: This exploratory study included 55 participants with cSVD. NAWM myelin was measured using myelin water imaging and was quantified as myelin water fraction (MWF). Assessment of cognitive function included processing speed (Trail Making Test Part A), set shifting (Trail Making Test Part B minus A), working memory (Verbal Digit Span Backwards Test), and inhibition (Stroop Test). Multiple linear regression analyses assessed the contribution of NAWM MWF on cognitive outcomes controlling for age, education, and total white matter hyperintensity volume. The overall alpha was set at ≤0.05.Results: After accounting for age, education, and total white matter hyperintensity volume, lower NAWM MWF was significantly associated with slower processing speed (β = -0.29, p = 0.037) and poorer working memory (β= 0.30, p = 0.048). NAWM MWF was not significantly associated with set shifting or inhibitory control (p > 0.132).Conclusion: Myelin loss in NAWM may play a role in the evolution of impaired processing speed and working memory in people with cSVD. Future studies, with a longitudinal design and larger sample sizes, are needed to fully elucidate the role of myelin as a potential biomarker for cognitive function. [ABSTRACT FROM AUTHOR]- Published
- 2021
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19. The nursing work environment and quality of care: Content analysis of comments made by registered nurses responding to the Essentials of Magnetism II scale.
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Oshodi, Titilayo O., Bruneau, Benjamin, Crockett, Rachel, Kinchington, Francia, Nayar, Shoba, and West, Elizabeth
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- 2019
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20. The effects of an 8-week computerized cognitive training program in older adults: a study protocol for a randomized controlled trial.
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ten Brinke, Lisanne F., Best, John R., Crockett, Rachel A., and Liu-Ambrose, Teresa
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COGNITION disorders in old age ,COGNITIVE training ,EXERCISE therapy ,LIFESTYLES ,RANDOMIZED controlled trials ,PREVENTION - Abstract
Background: Given the world's aging population, it is important to identify strategies that promote healthy cognitive aging and minimize cognitive decline. Currently, no curative pharmaceutical therapy exists for cognitive impairment and dementia. As a result, there is much interest in lifestyle approaches. Specifically, complex mental activity, such as cognitive training, may be a promising method to combat cognitive decline in older adults. As such, the industry of commercial computerized cognitive training (CCT) applications has rapidly grown in the last decade. However, the efficacy of these commercial products is largely not established. Moreover, exercise is a recognized strategy for promoting cognitive outcomes in older adults and may augment the efficacy of computerized cognitive training applications. Therefore, we propose a proof-of-concept randomized controlled trial (RCT) to examine the effect of a commercial CCT program in community-dwelling older adults.Methods: An 8-week RCT to examine the effect of a commercial CCT program, alone and preceded by a 15-min brisk walk, on cognitive function and explore the underlying neural mechanisms in adults aged 65-85 years old. Participants will be randomized to one of three intervention groups: 1) Computerized cognitive training (FBT); 2) A 15-min brisk walk followed by computerized cognitive training (Ex-FBT); or 3) A combination of educational classes, sham cognitive training, and balanced and tone exercises (active control, BAT). Participants in all intervention groups will attend three one-hour classes per week over the course of the intervention. Participants will be assessed at baseline, trial completion, and 1-year post study completion (1-year follow-up).Discussion: If results from this study show benefits for cognition at trial completion, CCT programs, alone or in combination with walking, might be a strategy to promote healthy cognitive aging in older adults. In addition, results from the 1-year follow-up measurement could provide important information regarding the long-term benefits of these CCT programs.Trial Registration: ClinicalTrials.gov Protocol Registration System: NCT02564809; registered September 1, 2015. [ABSTRACT FROM AUTHOR]- Published
- 2018
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21. Resting State Default Mode Network Connectivity, Dual Task Performance, Gait Speed, and Postural Sway in Older Adults with Mild Cognitive Impairment.
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Crockett, Rachel A., Chun Liang Hsu, Best, John R., and Liu-Ambrose, Teresa
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SENILE dementia ,BRAIN diseases ,OLDER people ,MILD cognitive impairment ,COGNITION disorders - Abstract
Aging is associated with an increased risk of falling. In particular, older adults with mild cognitive impairment (MCI) are more vulnerable to falling compared with their healthy counterparts. Major contributors to this increased falls risk include a decline in dual task performance, gait speed, and postural sway. Recent evidence highlights the potential influence of the default mode network (DMN), the frontoparietal network (FPN), and the supplementary motor area (SMA) on dual task performance, gait speed, and postural sway. The DMN is active during rest and deactivates during task-oriented processes, to maintain attention and stay on task. The FPN and SMA are involved in top-down attentional control, motor planning, and motor execution. The DMN shows less deactivation during task in older adults with MCI. This lack of deactivation is theorized to increase competition for resources between the DMN and task-related brain regions (e.g., the FPN and SMA), increasing distraction from the task and reducing task performance. However, no study has yet investigated the relationship between the between-network connectivity of the DMN with these regions and dual task walking, gait speed or postural sway. We hypothesized that greater functional connectivity both within the DMN and between DMN-FPN and DMN-SMA, will be associated with poorer performance during dual task walking, slower gait speed, and greater postural sway in older adults with MCI. Forty older adults with MCI were measured on a dual taskwalking paradigm, gait speed over a 4-m walk, and postural sway using a sway-meter. Greater within-DMN connectivity was significantly correlated with poorer dual task performance. Furthermore, greater inter-network connectivity between the DMN and SMA was significantly correlated with slower gait speed and greater postural sway on the eyes open floor sway task. Thus, greater resting state DMN functional connectivity may be an underlying neural mechanism for reduced dual task ability, slower gait speed, and greater postural sway, resulting in the increased risk of mobility disability and falling in older adults with MCI. [ABSTRACT FROM AUTHOR]
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- 2017
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22. Ageing at home? Meeting housing, health and social needs.
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Stewart, Jill, Crockett, Rachel, Gritton, Jim, Stubbs, Brendon, and Pascoe, Ann
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AGING ,HOME accident prevention ,HOME care services ,HOUSING ,MEDICAL needs assessment ,ORGANIZATIONAL change ,QUALITY of life ,ASSISTIVE technology ,HOUSEKEEPING ,ACTIVITIES of daily living ,SOCIAL support ,SOCIAL services case management ,INDEPENDENT living - Abstract
Purpose: The purpose of this paper is to consolidate the range of issues relevant to owner occupiers who age in place and to offer and initial overview of how effective partnerships can respond to and meet the changing needs of housing, health and social care of our ageing population. Design/methodology/approach: Issues affecting older people's changing needs are considered holistically and considered in terms of how partnerships can be enhanced to develop improved services in the future. Findings: Most owners wish to stay in their own homes for as long as possible and it can be cost-effective to do so; however, the authors need to look at new and innovative ways of developing and providing front-line services to enhance health and safety in the home, but also quality of life and wellbeing such as combating loneliness and isolation. However, although there are examples of evidence-based good practice, service provision is variable and there is a risk that many older home owners may miss out on services for which they may are eligible. With this in mind, it may be helpful to develop a new framework where one key practitioner holds responsibility to consolidate and coordinate the range of local services available as a package that offers a range of housing, health and social care services. Originality/value: There are currently many policy and practice gaps in older owner occupier's housing conditions and suitability to meet their changing needs. This paper has a particular starting point in housing, and how other personal or technological services can help support independence for as long as possible and adapt to the owner-occupier's changing health and social care needs as they age in place. The authors emphasise the importance of sharing evidence-based good practice partnerships. [ABSTRACT FROM AUTHOR]
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- 2014
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23. Impact on Decisions to Start or Continue Medicines of Providing Information to Patients about Possible Benefits and/or Harms: A Systematic Review and Meta-Analysis.
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Crockett, Rachel A., Sutton, Stephen, Walter, Fiona M., Clinch, Megan, Marteau, Theresa M., and Benson, John
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- 2011
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24. How Do Xanthan and Hydroxypropyl Methylcellulose Individually Affect the Physicochemical Properties in a Model Gluten-Free Dough?
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Crockett, Rachel, Ie, Pauline, and Vodovotz, Yael
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HYDROCOLLOIDS , *RHEOLOGY , *XANTHAN gum , *MICROBIAL polysaccharides , *DOUGH - Abstract
To better understand the physicochemical changes imparted by hydrocolloids on gluten-free dough, 2 hydroxypropyl methylcelluloses (HPMCs) and xanthan gum were added at 2%, 3%, and 5% to rice cassava dough without the addition of alternative proteins. The formulated doughs were analyzed using thermoanalytic and rheological techniques to determine the role of water and subsequent flow behavior upon hydrocolloid addition. The baked loaves were then measured for specific loaf volume and tensile strength to determine bread quality. Thermogravimetric analysis (TGA) results revealed that hydrocolloid-added dough held water more tightly than the rice cassava control with an additional water distribution at 85 to 88 °C. Rheologically, the increase of elastic moduli in the low methoxy HPMC and xanthan-added dough became more pronounced with gum addition; however, both HPMC formulations had increased viscous moduli allowing the gas cells to expand without collapsing. In the bread, the final specific loaf volume increased with high methoxy HPMC (2% to 5%) and low methoxy HPMC (2%) but was depressed with increased addition of low methoxy HPMC (5%) and xanthan (3% and 5%). Crumb hardness was decreased in high methoxy HPMC loaves but was increased significantly in low methoxy HPMC (5%) and xanthan (5%) formulations. From the gums studied, it was concluded that high methoxy HPMC was the optimum hydrocolloid in the rice cassava gluten-free dough. Two types of hydrocolloids, xanthan gum and HPMC, were individually added to a gluten-free rice cassava formulation. Based on the thermoanalytic and rheological studies on dough, as well as the bread quality studies, high methoxy HPMC at 5% addition was determined to optimally improve the bread quality when only gum addition was considered. This study indicates the potential use of high methoxy HPMC as an additive in gluten-free bread formulations prior to considering alternative proteins. [ABSTRACT FROM AUTHOR]
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- 2011
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25. Trial Protocol: Using genotype to tailor prescribing of nicotine replacement therapy: a randomised controlled trial assessing impact of communication upon adherence.
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Marteau, Theresa M, Munafò, Marcus R, Aveyard, Paul, Hill, Chloe, Whitwell, Sophia, Willis, Thomas A, Crockett, Rachel A, Hollands, Gareth J, Johnstone, Elaine C, Wright, Alison J, Prevost, A Toby, Armstrong, David, Sutton, Stephen, and Kinmonth, Ann Louise
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NICOTINE ,PHARMACOGENOMICS ,RANDOMIZED controlled trials ,SMOKING cessation - Abstract
Background: The behavioural impact of pharmacogenomics is untested; informing smokers of genetic test results for responsiveness to smoking cessation medication may increase adherence to this medication. The objective of this trial is to estimate the impact upon adherence to nicotine replacement therapy (NRT) of informing smokers that their oral dose of NRT has been tailored to a DNA analysis. Hypotheses to be tested are as follows: I Adherence to NRT is greater among smokers informed that their oral dose of NRT is tailored to an analysis of DNA (genotype), compared to one tailored to nicotine dependence questionnaire score (phenotype). II Amongst smokers who fail to quit at six months, motivation to make another quit attempt is lower when informed that their oral dose of NRT was tailored to genotype rather than phenotype. Methods/Design: An open label, parallel groups randomised trial in which 630 adult smokers (smoking 10 or more cigarettes daily) using National Health Service (NHS) stop smoking services in primary care are randomly allocated to one of two groups: i. NRT oral dose tailored by DNA analysis (OPRM1 gene) (genotype), or ii. NRT oral dose tailored by nicotine dependence questionnaire score (phenotype) The primary outcome is proportion of prescribed NRT consumed in the first 28 days following an initial quit attempt, with the secondary outcome being motivation to make another quit attempt, amongst smokers not abstinent at six months. Other outcomes include adherence to NRT in the first seven days and biochemically validated smoking abstinence at six months. The primary outcome will be collected on 630 smokers allowing sufficient power to detect a 7.5% difference in mean proportion of NRT consumed using a two-tailed test at the 5% level of significance between groups. The proportion of all NRT consumed in the first four weeks of quitting will be compared between arms using an independent samples t-test and by estimating the 95% confidence interval for observed between-arm difference in mean NRT consumption (Hypothesis I). Motivation to make another quit attempt will be compared between arms in those failing to quit by six months (Hypothesis II). Discussion: This is the first clinical trial evaluating the behavioural impact on adherence of prescribing medication using genetic rather than phenotypic information. Specific issues regarding the choice of design for trials of interventions of this kind are discussed. Trial details: Funder: Medical Research Council (MRC) [ABSTRACT FROM AUTHOR]
- Published
- 2010
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26. A study of synchronisation between the flagella of bull spermatozoa, with related observations.
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WooIley, David M., Crockett, Rachel F., Groom, William D. I., and Revell, Stuart G.
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BULLS , *SPERM motility , *FLAGELLA (Microbiology) , *OSCILLATIONS , *HYDRODYNAMICS , *PHYSIOLOGY - Abstract
Flagellar synchronisation has been observed between bull spermatozoa as they swam in a viscous medium, confined to a glass surface. This process is of interest in understanding the regulation of flagellar oscillation in general. Exact and persisting synchrony between bull spermatozoa occurred only when the spermatozoan heads were tightly coupled mechanically. For these cells, viscous coupling between the flagella was not by itself sufficient to establish synchronisation. Immediately on synchronisation, with the spermatozoan heads superposed, the paired spermatozoa showed rises in conjoint beat frequency, wave velocity and swimming velocity, i.e. in nearly all cases, the new conjoint values were greater than those shown by either of the two singleton spermatozoa. In our interpretation of these results, we put forward hydrodynamic arguments for seeing the primary change as a rise in wave velocity, via a decreased viscous resistance to bend propagation. Mechanistically, the rise in beat frequency is mysterious unless, as we suggest, it is consequential to the rise in wave velocity, and mediated by an as-yet- unknown mechanical feedback process. The rise in swimming velocity is not surprising given the rise in wave velocity but there is evidence for an additional influence due to a subtle re-orientation of the conjoint spermatozoan heads, such that they experienced less frictional drag. [ABSTRACT FROM AUTHOR]
- Published
- 2009
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27. Time orientation and health-related behaviour: Measurement in general population samples.
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Crockett, Rachel A., Weinman, John, Hankins, Matthew, and Marteau, Theresa
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HEALTH , *MEDICINE , *BEHAVIOR , *SOCIAL psychology , *BEHAVIORISM (Psychology) - Abstract
Research on health behaviour and time orientation has been hindered by a lack of consensus about appropriate measurement. Study 1 assessed the reliability of the Consideration of Future Consequences Scale (CFC) and the Zimbardo Time Perspective Inventory (ZTPI) in a general population sample (n = 300). Although more reliable, the CFC was less readable. Study 2 assessed the validity of a shortened ZTPI, measuring future and present orientation, and the full CFC. The measures had good discrimination to distinguish interpersonal differences. Construct validity of present, but not future, orientation as measured by the ZTPI, was evidenced by its mediation of the association between socioeconomic status and expectations of participating in diabetes screening. The CFC mediated this relationship more weakly. Further investigation of present orientation in understanding health-related behaviour is warranted. [ABSTRACT FROM AUTHOR]
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- 2009
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28. Why don't health professionals check patient understanding? A questionnaire-based study.
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Baker, Holly, Crockett, Rachel, Uus, Kai, Bamford, John, and Marteau, Theresa
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MEDICAL consultation , *MEDICAL cooperation , *MEDICAL practice , *SELF-efficacy , *HEALTH outcome assessment , *MEDICAL care - Abstract
Checking patient understanding, by asking questions about information presented in a medical consultation, is a core communication skill but its use is not frequently assessed. The newborn hearing screening commenced in England with a pilot of its implementation in January 2002. Because it is a new screening test, it provided an opportunity for studying the effective communication of novel information. A randomized controlled trial of training newborn hearing screeners to present information about the screening test and to ask questions to check understanding was commenced but had to be prematurely ended as the majority of the screeners did not ask the questions. The aim of this study was to understand why the screeners did not ask questions to check understanding of the information provided. Questionnaires were sent to screeners who participated in the study to elicit their responses to the use of the questions to check understanding. A response rate of 87% (26/30) was achieved. Screeners who reported not asking the questions were more likely to express a lack of confidence in their ability to ask questions, and to perceive asking questions as an ineffective way of increasing patient understanding. The study suggests that the ability and willingness of healthcare professionals to use simple communication skills may have been overestimated and training needs to target skills as well as beliefs about the effectiveness of using them. [ABSTRACT FROM AUTHOR]
- Published
- 2007
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29. Maternal anxiety following newborn hearing screening: the moderating role of knowledge.
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Crockett, Rachel, Wright, Alison J, Uus, Kai, Bamford, John, and Marteau, Theresa M
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MOTHERHOOD , *ANXIETY , *NEWBORN infant development , *MEDICAL care - Abstract
Objectives: To describe the impact upon maternal anxiety of newborn hearing screening and examine the Possible moderating role of knowledge. Methods: Questionnaires assessing maternal state anxiety, worry and certainty about the baby's hearing, and knowledge about screening, were sent to four groups of mothers three weeks after screening: Group 1 consisted of mothers whose babies had clear responses on a first or second screening test (n=103); Group 2 consisted of mothers whose babies had clear responses on the third screening test (n=81); Group 3 consisted of mothers whose babies did not have clear responses in one ear at the third screening test and were referred for audiological assessment (n=105); and Group 4 consisted of mothers whose babies did not have clear responses in either ear at the third hearing test and were referred for audiological assessment (n=55). Results: Although mean anxiety levels were in the normal range, there was a significant trend for anxiety to rise as testing increased (F(1,327)=4.280, P<0.05). Worry increased significantly (F(1,337)=70.432, P<0.001) and certainty decreased significantly (F(1,339)=27.474, P=0.001) as the number of tests increased. Although total knowledge did not significantly moderate anxiety (R2=0.016, P=0.096), there was a significant interaction between mothers' group and one knowledge item, understanding that receipt of no clear responses was unlikely to mean that the baby had a hearing loss: mothers in Group 4 who understood this had lower anxiety (F(3,323)=4.791, P<0.01) and lower worry (F(3,332)=3.565, P<0.01) compared with mothers who did not. Conclusions: Understanding the meaning of being recalled following screening may avoid some of the anxiety associated with this. [ABSTRACT FROM AUTHOR]
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- 2006
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30. Maternal anxiety and satisfaction following infant hearing screening: a comparison of the health visitor distraction test and newborn hearing screening.
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Crockett, Rachel, Baker, Holly, Uus, Kai, Bamford, John, and Marteau, Theresa M
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- *
ANXIETY , *MOTHERHOOD , *MEDICAL screening , *DIAGNOSIS - Abstract
Background: Newborn hearing screening is currently replacing the health visitor distraction test (HVDT) conducted at eight months. Our previous research indicates that recall for further tests following newborn hearing screening can have a negative impact on the emotional well being of mothers, but it is not known if this is greater than that caused by recall following the distraction test. Objective: To compare the impact on maternal anxiety and satisfaction of recall following newborn hearing screening and the HVDT. Methods: Four groups participated: 27 mothers of babies receiving a satisfactory result and 21 mothers of babies recalled after the HVDT 26 mothers of babies receiving a satisfactory result and 16 mothers of babies recalled after newborn hearing screening. Questionnaires assessing maternal anxiety, worry and certainty about the babies' hearing, satisfaction with and attitudes towards the screening test were sent to mothers three weeks and six months following screening. Results: Comparison of the effects of receipt of different results showed no significant differences in maternal anxiety, worry and certainty between the two tests. Those mothers whose babies had a newborn hearing screening test were significantly more satisfied, regardless of the result received. Those who received a satisfactory result on the newborn hearing screening programme also had more positive attitudes towards that screening test than those receiving a satisfactory result following the HVDT. Conclusion: These results suggest that newborn hearing screening does not have a more negative emotional impact than the HVDT. [ABSTRACT FROM AUTHOR]
- Published
- 2005
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31. Intensity Matters for Musculoskeletal Health: A Cross-Sectional Study on Movement Behaviors of Older Adults from High-Income Scottish and Low-Income South African Communities.
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Pina, Ilaria, Mendham, Amy E., Tomaz, Simone A., Goedecke, Julia H., Micklesfield, Lisa K., Brooks, Naomi E., Gallagher, Iain J., Crockett, Rachel, Dudchenko, Paul, and Hunter, Angus M.
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- 2021
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32. Functional connectivity underpinning changes in life-space mobility in older adults with mild cognitive impairment: A 12-month prospective study.
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Hsu, Chun Liang, Crockett, Rachel, Chan, Patrick, Brinke, Lisanne ten, Doherty, Stephanie, and Liu-Ambrose, Teresa
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- *
OLDER people , *MILD cognitive impairment , *LONGITUDINAL method - Abstract
Subtle changes in mobility exist among older adults with mild cognitive impairment (MCI). Life-space mobility defines the frequency and extent of movements in the environment, and lower life-space mobility is associated with adverse health outcomes and MCI. Currently, the underlying mechanism of this association is not well understood. This study examined the functional neural correlates of life-space mobility in community-dwelling older adults with MCI. We first conducted a cross-sectional investigation of the association between resting-state default mode network (DMN) and sensori-motor network (SMN) connectivity and life-space mobility (assessed by the Life-Space Assessment (LSA)) among 60 community-dwelling older adults with MCI using aggregated data from two studies – baseline data from a randomized controlled trial (n = 20) and baseline data from a 12-month prospective study (n = 40). Using data from the 12-month prospective study (n = 35), we then examined whether baseline internetwork connectivity predicts reduced life-space mobility over 12 months. The cross-sectional analysis showed higher DMN-SMN connectivity was associated with lower LSA scores after adjusting for baseline global cognitive function and baseline age (p < 0.01). A significant reduction in LSA scores was observed in the 35 participants of the 12-month prospective study (paired sample t -test mean change = −6.53, p = 0.01). Greater baseline DMN-SMN connectivity was associated with greater reduction in life-space mobility at 12 months (p = 0.04) after adjusting for baseline age, global cognitive function, and LSA score. Our findings suggest that lower and reduced life-space mobility in older adults with MCI may be due to altered functional architecture of the brain such that normal neuro-cognitive motor behaviours may be disrupted. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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33. Head over heels but I forget why: Disruptive functional connectivity in older adult fallers with mild cognitive impairment.
- Author
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Crockett, Rachel A., Hsu, Chun Liang, Best, John R., Beauchet, Olivier, and Liu-Ambrose, Teresa
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MILD cognitive impairment , *OLDER people , *TRAIL Making Test , *STROOP effect , *COGNITIVE ability - Abstract
• Fallers with MCI had a greater level of disruptive DMN-SMN connectivity. • DMN-SMN connectivity increased linearly from Fallers only – MCI only – Fallers + MCI. • Fallers with MCI have significantly greater postural sway than those without MCI. • Postural sway increased linearly from Fallers only - MCI only - Fallers + MCI. Disrupted functional connectivity has been highlighted as a neural mechanism by which impaired cognitive function and mobility co-exist in older adults with mild cognitive impairment (MCI). The objective of this study was to determine the independent and combined effects of MCI and faller status on functional connectivity of three functional networks: default mode network (DMN), fronto-parietal network (FPN) and sensorimotor network (SMN) between 4 groups of older adults: 1) Healthy; 2) MCI without Falls; 3) Fallers without MCI; and 4) Fallers with MCI. Sixty-six adults aged 70–80 years old were included. Cognition was assessed using: 1) cognitive dual task; 2) Stroop Colour-Word Test; 3) Trail Making Tests (TMT); and 4) Digit Symbol Substitution Test (DSST). Postural sway was assessed with eyes opened and standing on the floor. Functional connectivity was measured using fMRI while performing a finger-tapping task. Differences in DMN-SMN connectivity were found for Fallers with MCI vs Fallers without MCI (p =.001). Fallers with MCI had significantly greater postural sway than the other groups. Both DMN-SMN connectivity (p =.03) and postural sway (p =.001) increased in a significantly linear fashion from Fallers without MCI, to MCI without Falls, to Fallers with MCI. Participants with MCI performed significantly worse on the DSST (p =.003) and TMT (p =.007) than those without MCI. Aberrant DMN-SMN connectivity may underlie reduced postural stability. Having both impaired cognition and mobility is associated with a greater level of disruptive DMN-SMN connectivity and increased postural sway than singular impairment. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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34. The Effect of Diabetes-Specific Enteral Nutrition Formula on Cardiometabolic Parameters in Patients with Type 2 Diabetes: A Systematic Review and Meta–Analysis of Randomised Controlled Trials.
- Author
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Ojo, Omorogieva, Weldon, Sharon Marie, Thompson, Trevor, Crockett, Rachel, and Wang, Xiao-Hua
- Abstract
Background: The prevalence of diabetes is on the increase in the UK and worldwide, partly due to unhealthy lifestyles, including poor dietary regimes. Patients with diabetes and other co-morbidities such as stroke, which may affect swallowing ability and lead to malnutrition, could benefit from enteral nutrition, including the standard formula (SF) and diabetes-specific formulas (DSF). However, enteral nutrition presents its challenges due to its effect on glycaemic control and lipid profile. Aim: The aim of this review was to evaluate the effectiveness of diabetes-specific enteral nutrition formula versus SF in managing cardiometabolic parameters in patients with type 2 diabetes. Method: This review was conducted in accordance with the preferred reporting items for systematic reviews and meta-analyses. Three databases (Pubmed, EMBASE, PSYCInfo) and Google scholar were searched for relevant articles from inception to 2 January 2019 based on Population, Intervention, Comparator, Outcomes and Study designs (PICOS) framework. Key words, Medical Subject Heading (MeSH) terms, and Boolean operators (AND/OR) formed part of the search strategy. Articles were evaluated for quality and risks of bias. Results: Fourteen articles were included in the systematic review and five articles were selected for the meta-analysis. Based on the findings of the review and meta-analysis, two distinct areas were evident: the effect of DSF on blood glucose parameters and the effect of DSF on lipid profile. All fourteen studies included in the systematic review showed that DSF was effective in lowering blood glucose parameters in patients with type 2 diabetes compared with SF. The results of the meta-analysis confirmed the findings of the systematic review with respect to the fasting blood glucose, which was significantly lower (p = 0.01) in the DSF group compared to SF, with a mean difference of −1.15 (95% CI −2.07, −0.23) and glycated haemoglobin, which was significantly lower (p = 0.005) in the DSF group compared to the SF group following meta-analysis and sensitivity analysis. However, in relation to the sensitivity analysis for the fasting blood glucose, differences were not significant between the two groups when some of the studies were removed. Based on the systematic review, the outcomes of the studies selected to evaluate the effect of DSF on lipid profile were variable. Following the meta-analysis, no significant differences (p > 0.05) were found between the DSF and SF groups with respect to total cholesterol, LDL cholesterol and triglyceride. The level of the HDL cholesterol was significantly higher (p = 0.04) in the DSF group compared to the SF group after the intervention, with a mean difference of 0.09 (95% CI, 0.00, 0.18), although this was not consistent based on the sensitivity analysis. The presence of low glycaemic index (GI) carbohydrate, the lower amount of carbohydrate and the higher protein, the presence of mono-unsaturated fatty acids and the different amounts and types of fibre in the DSF compared with SF may be responsible for the observed differences in cardiometabolic parameters in both groups. Conclusion: The results provide evidence to suggest that DSF is effective in controlling fasting blood glucose and glycated haemoglobin and in increasing HDL cholesterol, but has no significant effect on other lipid parameters. However, our confidence in these findings would be increased by additional data from further studies. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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35. P3‐432: HEAD OVER HEELS BUT I FORGET WHY: DISRUPTIVE FUNCTIONAL CONNECTIVITY IN OLDER ADULTS WITH MILD COGNITIVE IMPAIRMENT AND A HISTORY OF FALLS.
- Author
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Crockett, Rachel A., Hsu, Chun Liang, and Liu-Ambrose, Teresa
- Published
- 2018
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36. Alcohol Packaging As a Promotional Tool: A Focus Group Study With Young Adult Drinkers in Scotland.
- Author
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Jones, Daniel, Moodie, Crawford, Purves, Richard I., Fitzgerald, Niamh, and Crockett, Rachel
- Abstract
Objective: Little research has been conducted on consumer perceptions of alcohol packaging as a marketing tool. The aim of this study was to explore how young adults view and engage with alcohol packaging. Method: Eight focus groups were conducted in Glasgow (Scotland) with current drinkers (n = 50), segmented by age (18-24, 25-35), gender (female, male), and social grade (ABC1, C2DE). Participants were shown, allowed to handle, and asked about a range of alcoholic products. Results: Five main themes emerged from the data. The first was the ubiquity of alcohol packaging, with frequent exposure reported in different settings, such as shops and drinking venues, and via marketing. The second was appeal, with pack graphics (e.g., color), structure (e.g., shape, size), and promotions (e.g., gifts, limited editions) allowing alcohol packs to catch attention, enabling products to stand out on shelves, and helping to create product and brand liking, interest, and choice. Third, alcohol packaging was frequently associated with specific occasions and activities. Fourth, alcohol packaging informed perceptions of product-consumer targeting, suitability, and intended drinker profiles. Fifth, alcohol packaging also engaged nonvisual senses (e.g., touch, sound, smell), guiding expectations of product taste and palatability. Conclusions: For young adult drinkers in Scotland, alcohol packaging can capture attention, create appeal, and help shape perceptions of the product, drinker, and drinking experience. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
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