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Is binge eating a cognitive disorder? Results from the International Mood Disorders Collaborative Project
Yena Lee, Nicole E Carmona, Margarita Shekotikhina
1University Health Network, Toronto, ON, Canada.
Summary
Cognitive deficits and anhedonia are linked to binge eating behavior (BEB) in adults. Addressing these cognitive issues may be key for treating BEB and related conditions like attention-deficit/hyperactivity disorder (ADHD).
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Psychology
Background:
- Binge eating disorder (BED) often co-occurs with attention-deficit/hyperactivity disorder (ADHD), obesity, and substance use disorder.
- The specific role of cognitive deficits in binge eating behavior (BEB) requires further investigation.
Purpose of the Study:
- To determine the extent to which cognitive deficits are relevant to binge eating behavior (BEB).
- To compare cognitive functions and anhedonia in individuals with and without BEB.
Main Methods:
- Retrospective and cross-sectional analysis of data from the International Mood Disorders Collaborative Project (n=566).
- Assessment of BEB using Mini International Neuropsychiatric Interview Plus criteria corresponding to DSM-5 BED.
- Exclusion of individuals prescribed benzodiazepines.
Main Results:
- Individuals with BEB were more likely to exhibit anhedonia (P=.044) and general cognitive symptoms (P=.005).
- BEB was associated with higher rates of psychiatric disorders like ADHD and medical conditions such as obesity (P<.05).
Conclusions:
- Cognitive process disturbances may be mechanistically linked to the etiology and treatment of BEB in adults.
- Findings highlight the importance of cognitive function in understanding and managing binge eating disorder.
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