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Perceptual Dysfunction in Eating Disorders.

Erin E Reilly1, Tiffany A Brown2, Guido K W Frank3

  • 1Department of Psychiatry and Behavioral Science, University of California, San Francisco, San Francisco, CA, USA.

Current Topics in Behavioral Neurosciences
|May 10, 2024
PubMed
Summary
This summary is machine-generated.

Altered sensory perception, including taste and touch, is common in eating disorders (EDs). More research is needed to understand how these sensory changes contribute to EDs and to develop new treatments.

Keywords:
Eating disordersExteroceptionInteroceptionSensory perceptionSensory processing

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Eating disorders (EDs) involve abnormal responses to food, weight, and body perception.
  • Sensory processing alterations are hypothesized to play a role in EDs.
  • Existing research has explored exteroceptive and interoceptive perception in various ED groups.

Purpose of the Study:

  • To critically assess current research on exteroceptive and interoceptive perception in EDs.
  • To examine the influence of sensory perception on ED behaviors.
  • To identify limitations and propose future research directions.

Main Methods:

  • Systematic review of existing literature on sensory perception in eating disorders.
  • Analysis of studies investigating taste, visual, tactile, and gastric interoception.
  • Inclusion of emerging research on respiratory and cardiovascular sensitivity.

Main Results:

  • Consistent evidence for altered taste, visual, tactile, and gastric-specific interoceptive processing in EDs.
  • Emerging findings suggest heightened respiratory and cardiovascular sensitivity.
  • Significant heterogeneity in methodology and diagnostic focus limits conclusive findings.

Conclusions:

  • Sensory perception alterations are implicated in eating disorders, but causality remains unclear.
  • Methodological inconsistencies and lack of multimodal approaches hinder definitive conclusions.
  • Future neurobiology-informed research is crucial for developing targeted interventions for EDs.