The relationship between reward context and inhibitory control, does it depend on BMI, maladaptive eating, and negative affect?

BMC Psychology

Gijsbert Stoet¹  Afework Tsegaye²  Cuiling Guo²  H. N. Alexander Logemann³  Renata Cserjési³  Gyöngyi Kökönyei⁴ 

[1] Department of Psychology, University of Essex, Colchester, UK;Doctoral School of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary;Institute of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary;Institute of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary;Institute of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary;NAP2-SE Genetic Brain Imaging Research Group, Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary;Department of Pharmacodynamics, Semmelweis University, Budapest, Hungary;

关键词: BMI;    Inhibition;    Eating-behavior;    Rumination;    Stress;    Reward;   

DOI  :  10.1186/s40359-021-00712-5

来源: Springer

【 摘 要 】

BackgroundRecent studies suggest that higher Body Mass Index (BMI) is associated with reduced inhibitory control in contexts of palatable food. However, due to limitations of previous studies, it remained the question whether this reduction is specific to food contexts, and whether it generalizes to other contexts of reward, such as money. This main question was addressed in the current study. In addition, we explored the effect of maladaptive eating and stress regarding inhibitory control across the contexts that differed in terms of reward.MethodsIn total, 46 participants between 19 and 50 years old (39% males and 61% females) with an average BMI of 23.5 (SD = 3.9) participated. Participants filled out questionnaires and performed a go/no-go task (indexing inhibitory control) with three conditions (neutral, food, and money condition).ResultsRelatively high (above median) BMI was associated with challenged inhibitory control in the food relative to the neutral context, but not in the money relative to neutral context. Explorative analyses suggested that maladaptive eating and stress were associated with reduced inhibitory control in the food context. Only rumination was associated with reduced inhibitory control in the money context.ConclusionsThe effects of BMI, maladaptive eating behavior, and stress on inhibitory control were specific to the food context, and did not generalize to a non-intrinsic reward condition, operationalized with money pictures. Our results imply that (research on) interventions directed at improving inhibitory control in relation to overweight and obesity, should consider food-reward context.

【 授权许可】

CC BY