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Exploring the Neural Correlates of Cognitive Reappraisal in Obsessive-Compulsive Disorder Using Task-based Functional Magnetic Resonance Imaging
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Neurocognitive functioning in compulsive buying disorder.

Katherine L Derbyshire1, Samuel R Chamberlain, Brian L Odlaug

  • 1Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA.

Annals of Clinical Psychiatry : Official Journal of the American Academy of Clinical Psychiatrists
|February 7, 2014
PubMed
Summary
This summary is machine-generated.

Individuals with compulsive buying (CB) show significant cognitive deficits in response inhibition, decision-making, and spatial working memory. These findings suggest a neurobiological link between CB and other addictive disorders.

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Area of Science:

  • Neuroscience
  • Psychology
  • Behavioral Science

Background:

  • Compulsive buying (CB) affects 5.8% of the population.
  • Previous research focused on clinical traits, not cognitive deficits in CB.

Purpose of the Study:

  • To investigate cognitive deficits in individuals with compulsive buying.
  • To explore potential neurobiological overlaps with other addictions.

Main Methods:

  • Neurocognitive assessment of 23 non-treatment-seeking compulsive buyers and 23 matched controls.
  • Evaluated spatial working memory, response inhibition, cognitive flexibility, and decision-making.

Main Results:

  • Compulsive buyers showed significant impairments in response inhibition (P=.043).
  • Deficits were also observed in risk adjustment during decision-making (P=.010) and spatial working memory (P=.041).
  • Effect sizes for these deficits were large (Cohen's d, 0.6 to 1.05).

Conclusions:

  • Compulsive buying is associated with impairments in distinct cognitive domains.
  • Findings support a neurobiological overlap between CB and other behavioral/substance addictions.
  • Implications for shared treatment strategies and understanding of CB classification.