Document Detail

Modulation of taste affect by hunger, caloric satiety, and sensory-specific satiety in the rat.
MedLine Citation:
PMID:  2064389     Owner:  NLM     Status:  MEDLINE    
Human judgements of the pleasure of sweetness have been reported to be modulated by caloric hunger, satiety, and sensory-specific satiety. This study examined both hedonic and aversive facial/somatic reactions to taste in the rat, in order to confirm the relation of hunger and satiety to taste affect, and to assess whether affective modulation depends upon the cognitive factors that mediate human self-interpretation of affect. In the first experiment, the affective reactions of rats to sweet, bittersweet, and water tastes were assessed in five states of caloric hunger or satiety. Caloric satiety reduced positive hedonic reactions below normal levels. Conversely, 48-h food deprivation (but not 24-h deprivation) increased hedonic reactivity. Hedonic enhancement by hunger was not restricted to sweet tastes, but also extended to the palatability of water. Only the hedonic reactions to taste were changed by hunger or satiety: taste aversion was not altered. The second experiment compared the magnitude of affective change during sensory-specific satiety and caloric satiety. Taste-reactivity elicited by sucrose solution or milk was assessed after satiating meals of each of those foods. Sensory-specific satiety further reduced hedonic reactions below the level achieved by caloric satiety alone. Both for caloric satiety and for sensory-specific satiety changes in affect were restricted to positive hedonic reactions: no increase in aversion accompanied the hedonic decrements. These results confirm that taste affect is modulated during caloric hunger, caloric satiety, and sensory-specific satiety. In addition they indicate that the modulation of taste affect by hunger and satiety is confined to the positive limb of the two dimensions (hedonic vs. aversive) of palatability.
K C Berridge
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Appetite     Volume:  16     ISSN:  0195-6663     ISO Abbreviation:  Appetite     Publication Date:  1991 Apr 
Date Detail:
Created Date:  1991-08-08     Completed Date:  1991-08-08     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  103-20     Citation Subset:  IM    
Department of Psychology, University of Michigan, Ann Arbor 48104.
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MeSH Terms
Analysis of Variance
Energy Intake*
Hunger / physiology*
Rats, Inbred Strains
Satiation / physiology*
Taste / physiology*
Videotape Recording
Grant Support

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