Journal
BIOLOGICAL PSYCHIATRY
Volume 79, Issue 1, Pages 17-24Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.biopsych.2015.02.006
Keywords
Animal behavior; Anorexia nervosa; Binge eating disorder; Bulimia nervosa; Eating disorder; RDoC
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Funding
- Brain and Behavior Foundation
- Klarman Family Foundation Grants Program in Eating Disorder Research
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Eating disorders (EDs) are severe, life-threatening mental illnesses characterized by marked disturbances in body image and eating patterns. Attempts to understand the neurobiological basis of EDs have been hindered by the perception that EDs are primarily socially reinforced behaviors and not the result of a pathophysiologic process. This view is reflected by the diagnostic criteria of anorexia nervosa and bulimia nervosa, which emphasize intrapsychic conflicts such as inability to maintain body weight, undue influence of body weight or shape on self-evaluation, and denial of the seriousness of low body weight over neuropsychological measures. The neuropsychological constructs introduced within the research domain criteria (RDoC) matrix offer new hope for determining the neural substrate underlying the biological predisposition to EDs. We present selected studies demonstrating deficits in patients with EDs within each domain of the RDoC and propose a set of behavioral tasks in model systems that reflect aspects of that deficit. Finally, we propose a battery of tasks to examine comprehensively the function of neural circuits relevant to the development of EDs.
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