The effect of food anticipation on cognitive function: An eye tracking study

Autoři: Michelle S. Segovia aff001;  Marco A. Palma aff002;  Rodolfo M. Nayga, Jr. aff003
Působiště autorů: Division of Applied Social Sciences, University of Missouri, Columbia, Missouri, United States of America aff001;  Department of Agricultural Economics, Texas A&M University, College Station, Texas, United States of America aff002;  Department of Agricultural Economics and Agribusiness, University of Arkansas, Fayetteville, Arkansas, United States of America aff003
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: 10.1371/journal.pone.0223506


By randomizing the order in which participants perform a cognitive test and a food choice task in a controlled experiment, we investigate whether cognitive capacity can be enhanced by the simple act of anticipating food intake. Our findings show that overweight and obese participants exhibit an anticipatory food reward effect, which helped enhance their mental resources and improve their performance in a cognitive test. However, we find no anticipation effect among normal weight participants. Furthermore, eye tracking data reveal that food temptation, in the form of visual attention and emotional arousal is higher for overweight and obese individuals when they are cognitively impaired.

Klíčová slova:

Attention – Cognition – Cognitive impairment – Decision making – Emotions – Glucose – Obesity – Pupil


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