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Increased set shifting costs in fasted healthy volunteers

We investigated the impact of temporary food restriction on a set shifting task requiring participants to judge clusters of pictures against a frequently changing rule. 60 healthy female participants underwent two testing sessions: once after fasting for 16 hours and once in a satiated state. Partic...

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Published in:PloS one 2014-07, Vol.9 (7), p.e101946-e101946
Main Authors: Bolton, Heather M, Burgess, Paul W, Gilbert, Sam J, Serpell, Lucy
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description We investigated the impact of temporary food restriction on a set shifting task requiring participants to judge clusters of pictures against a frequently changing rule. 60 healthy female participants underwent two testing sessions: once after fasting for 16 hours and once in a satiated state. Participants also completed a battery of questionnaires (Hospital Anxiety and Depression Scale [HADS]; Persistence, Perseveration and Perfectionism Questionnaire [PPPQ-22]; and Eating Disorders Examination Questionnaire [EDE-Q6]). Set shifting costs were significantly increased after fasting; this effect was independent of self-reported mood and perseveration. Furthermore, higher levels of weight concern predicted a general performance decrement under conditions of fasting. We conclude that relatively short periods of fasting can lead to set shifting impairments. This finding may have relevance to studies of development, individual differences, and the interpretation of psychometric tests. It also could have implications for understanding the etiology and maintenance of eating disorders, in which impaired set shifting has been implicated.
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subjects Adult
Anorexia
Anxiety
Biology and Life Sciences
Body image
Brain
Bulimia
Child & adolescent psychiatry
Cognition
Cognition & reasoning
Cognitive biases
Depression (Mood disorder)
Development and progression
Disorders
Eating disorders
Etiology
Fasting
Fasting - psychology
Female
Flexibility
Food
Food availability
Healthy Volunteers
Humans
Laboratory animals
Medicine and Health Sciences
Mental depression
Middle Aged
Mood
Physiology
Pictures
Psychology
Psychometrics
Reaction Time
Social Sciences
Studies
Surveys and Questionnaires
Systematic review
Task Performance and Analysis
Teenagers
Young Adult
Young adults
title Increased set shifting costs in fasted healthy volunteers
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