Document Detail

Measuring affective (liking) and non-affective (expected satiety) determinants of portion size and food reward.
MedLine Citation:
PMID:  18831997     Owner:  NLM     Status:  MEDLINE    
Previously, we have used a 'method of constant stimuli' to quantify the satiety that different foods are expected to deliver. Our data indicate that foods differ considerably (some are expected to deliver 5-6 times more satiety than others [per kcal]). In the present study we explored the relative importance of 'expected satiety' in decisions about portion size. For eight different snack foods, we measured 'ideal' portion size and compared these values with corresponding measures of liking, expected satiety, and intention to restrict intake. Across participants (N=60), ideal portion size was predicted by both liking and expected satiety. Individuals differed in the relative importance of expected satiety and liking. In particular, expected satiety was a more important predictor in restrained eaters and in individuals with a higher BMI. In this study we also included a measure of food reward. For each food, reward was inferred from a measure based on cash spend per kcal. Again, food liking and expected satiety were both significant predictors. Together, our findings confirm the importance of expected satiety and they demonstrate the quantification of separate affective and non-affective determinants of food reward and portion size.
Jeffrey M Brunstrom; Nicholas G Shakeshaft
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Publication Detail:
Type:  Journal Article     Date:  2008-09-10
Journal Detail:
Title:  Appetite     Volume:  52     ISSN:  1095-8304     ISO Abbreviation:  Appetite     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2008-12-01     Completed Date:  2009-02-23     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  England    
Other Details:
Languages:  eng     Pagination:  108-14     Citation Subset:  IM    
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MeSH Terms
Body Mass Index
Food Preferences / psychology*

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