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A Treatment Package without Escape Extinction to Address Food Selectivity
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Conceptualizing avoidant/restrictive food intake disorder via an executive functioning lens.

Brianne N Richson1,2, Sophie R Abber3, Christina E Wierenga4

  • 1Sanford Center for Biobehavioral Research, Sanford Research, Fargo, North Dakota, USA.

The International Journal of Eating Disorders
|May 28, 2024
PubMed
Summary

Executive functioning (EF) may be a key factor in avoidant/restrictive food intake disorder (ARFID). Understanding EF differences could help explain ARFID

Keywords:
ARFIDcognitive flexibilityeating disordersexecutive functioninginhibitory controlneurodevelopmentworking memory

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Area of Science:

  • Psychiatry
  • Neuroscience
  • Developmental Psychology

Background:

  • Avoidant/restrictive food intake disorder (ARFID) is characterized by eating restrictions not related to body image.
  • ARFID frequently co-occurs with neurodevelopmental diagnoses.
  • Executive functioning (EF) differences are common in neurodevelopmental conditions.

Purpose of the Study:

  • To propose executive functioning (EF) as an understudied factor in the pathology of ARFID.
  • To explore how EF differences may explain ARFID presentations.
  • To stimulate research on EF's role in ARFID etiology and maintenance.

Main Methods:

  • Conceptual review linking ARFID presentations to core EF components.
  • Hypothesizing the role of cognitive flexibility, working memory, and inhibitory control in ARFID.
  • Identifying future research directions for EF in ARFID.

Main Results:

  • ARFID behaviors and cognitive tendencies can be understood through the lens of EF differences.
  • Executive functioning may be a common factor in ARFID's development and persistence.
  • Existing research has not sufficiently explored the link between EF and ARFID.

Conclusions:

  • Executive functioning is a potentially significant, yet under-researched, factor in ARFID.
  • Further investigation into EF in ARFID is crucial for refining etiological models.
  • Understanding EF's role may improve ARFID treatment and outcome research.