Go/no-go training changes food evaluation in both morbidly obese and normal-weight individuals
Number of pages
SourceJournal of Consulting and Clinical Psychology, 86, 12, (2018), pp. 980-990
Article / Letter to editor
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SW OZ BSI SCP
Journal of Consulting and Clinical Psychology
SubjectBehaviour Change and Well-being
Objective: Not responding to appetitive food items in the go/no-go training has been shown to reduce the evaluation of these items in normal-weight university students. In this preregistered study, we administered an identical go/no-go training in both morbidly obese individuals and normal-weight university students, to assess whether findings from laboratory studies on go/no-go training performed in university environments can be translated to clinical settings. Method: Obese individuals (N = 59, 14 males, Mage = 46.10, MBMI = 44.49) and university students (N = 58, 15 males, Mage = 23.21, MBMI = 22.64) were trained to consistently respond to certain food items (go) and withhold responses to other items (no-go). Evaluations of the go and no-go items, along with items not used in the training (untrained), were measured both before and after the training. Results: Before the training, evaluations of go, no-go and untrained items were matched; after the training, go items were evaluated more positively than no-go (p = .031 and p = .002 in obese and normal-weight individuals) and untrained items (p = .003 in normal-weight individuals). Only relatively hungry participants rated no-go items as less attractive than both go and untrained items (no-go devaluation effect). More important, effects of the training on food evaluation did not differ between the two participant groups. Conclusions: Obese and normal-weight individuals showed similar responsivity to the go/no-go training on food evaluation, suggesting that insights from laboratory studies may be translated to clinical settings to develop effective interventions to regulate food intake.
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