Document Detail


Individual differences in reward sensitivity are related to food craving and relative body weight in healthy women.
MedLine Citation:
PMID:  15949869     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
According to the theory of J.A. Gray, a strongly reactive approach system is highly sensitive to reward or to cues that signal reward. This implies that intake driven by the rewarding properties of food should be affected by individual differences in reactivity of the approach system. The present study examined whether reward sensitivity is associated with food craving and relative body weight in a sample of female college students. Participants completed the Sensitivity to Punishment and Sensitivity to Reward Questionnaire and the trait version of the Food Craving Questionnaire and also reported their weight and height in order to compute Body Mass Index (BMI). Sensitivity to reward was significantly related to food craving and BMI. Furthermore, the correlation between reward sensitivity and BMI was not attenuated when the influence of food craving was partialled out, indicating that the relation between sensitivity to reward and BMI was not mediated by food craving. This is the first study demonstrating a relation between the personality trait of sensitivity to reward and BMI. These findings are discussed in the context of the involvement of dopaminergic reward circuitry in overeating.
Authors:
Ingmar H A Franken; Peter Muris
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Appetite     Volume:  45     ISSN:  0195-6663     ISO Abbreviation:  Appetite     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-08-26     Completed Date:  2005-11-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  England    
Other Details:
Languages:  eng     Pagination:  198-201     Citation Subset:  IM    
Affiliation:
Institute of Psychology, Erasmus University Rotterdam, Woudestein J5-43, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands. franken@fsw.eur.nl
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Body Mass Index
Feeding Behavior / psychology*
Female
Humans
Hyperphagia / psychology*
Personality*
Receptors, Dopamine
Reinforcement (Psychology)*
Chemical
Reg. No./Substance:
0/Receptors, Dopamine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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