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Explaining body size beliefs in anorexia.

Stephen Gadsby1

  • 1a School of Philosophical, Historical & International Studies , Monash University , Melbourne , Australia.

Cognitive Neuropsychiatry
|November 10, 2017
PubMed
Summary
This summary is machine-generated.

Anorexia nervosa patients may hold delusions about their body size. This study explores abnormal sensory experiences, like distorted body comparisons and imagery, that may cause these false beliefs, offering new treatment avenues.

Keywords:
Anorexia nervosabody representationdelusionempiricistoversized experiences

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Area of Science:

  • Cognitive Neuropsychiatry
  • Clinical Psychology
  • Psychopathology

Background:

  • Cognitive neuropsychiatry models address delusional beliefs.
  • Anorexia nervosa (AN) patients' body size beliefs may be delusions.
  • Applying cognitive neuropsychiatry to AN body image distortions is warranted.

Purpose of the Study:

  • To model the causal origins of false body size beliefs in anorexia nervosa using an empiricist approach.
  • To investigate the role of abnormal experiences in grounding these false beliefs.

Main Methods:

  • Adopt an empiricist framework within cognitive neuropsychiatry.
  • Analyze abnormal experiences related to body size perception in AN patients.
  • Categorize these experiences into specific types.

Main Results:

  • Identified three types of abnormal body size experiences in AN patients: false self-other body comparisons, spontaneous mental imagery of a larger body, and distorted perception of affordances.
  • These experiences can ground the false body size beliefs characteristic of AN.

Conclusions:

  • Abnormal, oversized experiences are key to understanding and potentially treating false body size beliefs in anorexia nervosa.
  • Further research into these experiences is a promising direction for AN treatment.