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Relation between cognitive and hedonic responses to a meal
Author(s) -
Ciccantelli B.,
Pribic T.,
Malagelada C.,
Accarino A.,
Azpiroz F.
Publication year - 2017
Publication title -
neurogastroenterology and motility
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.489
H-Index - 105
eISSN - 1365-2982
pISSN - 1350-1925
DOI - 10.1111/nmo.13011
Subject(s) - meal , palatability , postprandial , calorie , cognition , sensation , psychology , medicine , food science , chemistry , psychiatry , neuroscience , insulin
Abstract Background Ingestion of a meal induces cognitive and hedonic sensations and our aim was to determine the relation between both dimensions. Methods In three groups of healthy non‐obese men (n=10 per group) three types of meals with equivalent levels of palatability were tested: a liquid meal, a solid‐liquid low‐calorie meal, and a solid‐liquid high‐calorie meal. The cognitive and hedonic responses were measured on 10‐cm scales before and during the 30‐minute postprandial period. Key Results The liquid meal induced a relatively strong cognitive response with satiation (4.7±0.7 score increment), fullness (3.3±0.7 score increment), and inhibition of desire of eating a food of choice; in contrast, its impact on sensation of digestive well‐being and satisfaction was not significant (0.7±0.7 score increment). The high‐calorie solid‐liquid meal, with larger volume load and caloric content, induced much lower satiation (2.4±0.8 score increment; P =.041 vs liquid meal) and fullness sensation (1.3±0.6 score increment; P =.031 vs liquid meal), but a markedly higher level of satisfaction (2.7±0.4 score increment; P =.021 vs liquid meal); the low‐calorie mixed meal had less prominent effects with significantly lower satisfaction (1.0±0.4 score increment; P =.039 vs high‐calorie meal). Conclusions and Inferences The cognitive (satiation, fullness) and hedonic responses (satisfaction) to meals with equivalent levels of palatability, that is, equally likable, are dissociable. The characteristics of meals in terms of satiation and rewarding power could be adapted to specific clinical targets, whether nutritional supplementation or restriction.

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