Published in

Elsevier, Appetite, (79), p. 139-148

DOI: 10.1016/j.appet.2014.04.005

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Working for food you don’t desire. Cues interfere with goal-directed food-seeking

Journal article published in 2014 by P. Watson, R. W. Wiers, B. Hommel ORCID, S. de Wit ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Why do we indulge in food-seeking and eating behaviors at times when we are already fully sated? In the present study we investigated the hypothesis that food-associated cues in the environment can interfere with goal-directed action by eliciting food-seeking that is independent of the current desirability of the outcome. To this end, we used a computerized task in which participants learned to press keys for chocolate and popcorn rewards. Subsequently, we investigated whether satiation on one of these rewards would bias choice towards the other, still desirable, food reward. We found that satiation did indeed selectively reduce responding on the associated key in the absence of food-associated cues. In contrast, in a Pavlovian-instrumental transfer (PIT) test, satiation failed to reduce cue-elicited food-seeking: in line with our hypothesis, cues that had previously been paired with chocolate and popcorn led to increased responding for the signaled food reward, independently of satiation. Furthermore, we show that food-associated cues will not only bias choice towards the signaled food (outcome-specific transfer), but also enhance the vigor of responding generally (general transfer). These findings point to a mechanism that may underlie the powerful control that cues in our obesogenic environment exert over our behavior.