Cited by 67Eating Disorders and BehaviorsNeural and Behavioral Psychology StudiesNutrition, Health and Food Behavior

Neural signature of behavioural inhibition in women with bulimia nervosa

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Skunde, Mandy, Walther, Stephan, Simon, Joe J., Wu, Mudan, Bendszus, Martin, Herzog, Wolfgang, Friederich, Hans-Christoph·2016·Journal of Psychiatry and Neuroscience

Abstract

Background: Impaired inhibitory control is considered a behavioural phenotype in patients with bulimia nervosa. However, the underlying neural correlates of impaired general and food-specific behavioural inhibition are largely unknown. Therefore, we investigated brain activation during the performance of behavioural inhibition to general and food-related stimuli in adults with bulimia nervosa. Methods: Women with bulimia and healthy control women underwent event-related fMRI while performing a general and a food-specific no-go task. Results: We included 28 women with bulimia nervosa and 29 healthy control women in our study. On a neuronal level, we observed significant group differences in response to general no-go stimuli in women with bulimia nervosa with high symptom severity; compared with healthy controls, the patients showed reduced activation in the right sensorimotor area (postcentral gyrus, precentral gyrus) and right dorsal striatum (caudate nucleus, putamen). Limitations: The present results are limited to adult women with bulimia nervosa. Furthermore, it remains unclear whether impaired behavioural inhibition in patients with this disorder are a cause or consequence of chronic illness. Conclusion: Our findings suggest that diminished frontostriatal brain activation in patients with bulimia nervosa contribute to the severity of binge eating symptoms. Gaining further insight into the neural mechanisms of behavioural inhibition problems in individuals with this disorder may inform brain-directed treatment approaches and the development of response inhibition training approaches to improve inhibitory control in patients with bulimia nervosa. The present study does not support greater behavioural and neural impairments to food-specific behavioural inhibition in these patients.

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Authors
Skunde, M., Walther, S., Simon, J. J., Wu, M., Bendszus, M., Herzog, W., & Friederich, H.-C.
Affiliations
Shanghai Normal University (CN)
Venue
Journal of Psychiatry and Neuroscience
Published
2016-09
Volume
41
Issue
5
Pages
E69-E78
ISSN
  • 1180-4882 (ISSN-L)
  • 1488-2434
OpenAlex
W2514872278
Cited by
67
References
57
Citations by year
2026: 3 · 2025: 6 · 2024: 6 · 2023: 11 · 2022: 9 · 2021: 9 · 2020: 5 · 2019: 6 · 2018: 6 · 2017: 5 · 2016: 1
FWCI
8.03
Type
journal article
Language
en
Open access
Locations
  • Journal of Psychiatry and Neuroscience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Stryker
  • Deutsche Forschungsgemeinschaft (FR 2626/ 3-1)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
Keywords
bulimia nervosa, behavioral inhibition, inhibitory control, dorsal striatum, sensorimotor cortex, binge eating, symptom severity, women
MeSH terms
Adult, Brain, Brain Mapping, Female, Food, Humans, Inhibition, Psychological, Magnetic Resonance Imaging, Neuropsychological Tests, Psychomotor Performance, Visual Perception, Bulimia Nervosa

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