The effect of body image dissatisfaction on goal-directed decision making in a population marked by negative appearance beliefs and disordered eating.

ABSTRACT: Eating disorders are associated with one of the highest mortality rates among all mental disorders, yet there is very little research about them within the newly emerging and promising field of computational psychiatry. As such, we focus on investigating a previously unexplored, yet core aspect of eating disorders-body image dissatisfaction. We continue a freshly opened debate about model-based learning and its trade-off against model-free learning-a proxy for goal-directed and habitual behaviour. We perform a behavioural study that utilises a two-step decision-making task and a reinforcement learning model to understand the effect of body image dissatisfaction on model-based learning in a population characterised by high scores of disordered eating and negative appearance beliefs, as recr

SUBMITTER: Onysk J 

PROVIDER: S-EPMC9704573 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature