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Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
07:26

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Published on: May 4, 2020

Cognitive-behavioral flexibility in anorexia nervosa.

Hans-Christoph Friederich1, Wolfgang Herzog

  • 1Department of General Internal Medicine and Psychosomatics Im Neuenheimer Felds 410, Medical Hospital, University of Heidelberg, Germany. hans-christoph.friederich@med.uni-heidelberg.de

Current Topics in Behavioral Neurosciences
|January 19, 2011
PubMed
Summary
This summary is machine-generated.

Anorexia nervosa patients exhibit cognitive inflexibility, a trait possibly linked to striatocortical dysfunction. This rigidity in thinking and behavior may be a key characteristic of anorexia nervosa.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Anorexia nervosa (AN) is associated with perfectionism and obsessional traits.
  • This personality profile correlates with exaggerated cognitive control and reduced cognitive-behavioral flexibility.
  • Neuropsychological studies indicate impaired set-shifting and response shifting in AN patients.

Purpose of the Study:

  • To investigate the cognitive and neural underpinnings of behavioral inflexibility in anorexia nervosa.
  • To explore the potential of cognitive inflexibility as a trait marker for AN.
  • To examine the role of striatocortical circuit dysfunction in AN.

Main Methods:

  • Neuropsychological assessments of cognitive set-shifting and behavioral response shifting.
  • Analysis of data independent of nutritional status and body weight.
  • Brain imaging studies focusing on striatocortical circuits.

Main Results:

  • AN patients demonstrate impaired cognitive set-shifting and behavioral response shifting.
  • Cognitive inflexibility was observed in healthy sisters of AN patients, suggesting a trait marker.
  • Brain imaging reveals striatocortical circuit dysfunctions.

Conclusions:

  • Cognitive inflexibility is a significant feature in anorexia nervosa, potentially a trait marker.
  • Striatocortical circuit dysfunction may underlie both personality traits and cognitive inflexibility in AN.
  • Viewing AN as a neurodevelopmental striatocortical disorder offers potential for novel treatments.