Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 507853
Title Health interest modulates brain reward responses to a perceived low-caloric beverage in females
Author(s) Rijn, Inge van; Wegman, Joost; Aarts, Esther; Graaf, Kees de; Smeets, Paul A.M.
Source Health Psychology 36 (2017)1. - ISSN 0278-6133 - p. 65 - 72.
DOI https://doi.org/10.1037/hea0000411
Department(s) Human Nutrition (HNE)
Chair Sensory Science and Eating Behaviour
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2017
Keyword(s) Calories - Health interest - Health labels - Reward anticipation - Reward receipt
Abstract

Objective: Health labels are omnipresent in the supermarket. Such labels give rise to expectations about the product experience and may change flavor perception and perceived reward value. Consumers vary in their degree of health interest and may be differentially affected by such labels. However, how health interest influences neural reward responses to anticipation and receipt of heath-labeled foods is not known. This study assessed to what extent brain responses induced by anticipation and receipt of a beverage with different levels of perceived caloric content are associated with health interest. Method: Twenty-five females completed an fMRI motivational taste-task in which they were presented with a low-caloric cue or a high-caloric cue and subsequently worked for sips of lemonade by moving a joystick. If they responded correctly and in time, they received the lemonade as a reward. Because of the 2 cue types, participants believed they were receiving 2 different lemonades, a high-caloric (HC-receipt) and a low-caloric (LC-receipt) one. Health interest was assessed with the General health interest subscale of the Health and Taste Attitude Scales. Results: Health interest scores correlated significantly (r = .65) with LC-versus HC-receipt activation in the dorsal striatum (putamen), a region involved in encoding food reward. Conclusion: These findings suggest that the reward value of a healthy product compared to its unhealthy counterpart increases with health interest. This provides more insight into the working mechanism of government campaigns that focus on increasing health interest to encourage the formation of healthy eating habits.

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