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Assessing Burrowing, Nest Construction, and Hoarding in Mice
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Understanding DSM-5 Hoarding Disorder: A Triple Vulnerability Model.

Amanda M Raines1, Mary E Oglesby1, Nicholas P Allan1

  • 1a Department of Psychology , Florida State University , Tallahassee , Florida.

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Hoarding disorder risk is linked to a combination of general biological, psychological, and hoarding-specific vulnerabilities. These factors explain a significant portion of hoarding severity, similar to other emotional distress disorders.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Behavioral Science

Background:

  • The triple vulnerability model is established for anxiety and mood disorders.
  • Hoarding disorder has not been previously examined through this vulnerability lens.

Purpose of the Study:

  • To investigate hoarding disorder using a triple vulnerability model.
  • To assess the unique contributions of biological, psychological, and hoarding-specific vulnerabilities to hoarding symptoms.

Main Methods:

  • A multivariate approach was employed with 526 participants.
  • Structural equation modeling (SEM) was used to analyze the relationships between vulnerabilities and hoarding severity.

Main Results:

  • The SEM demonstrated a good fit, supporting the triple vulnerability model for hoarding.
  • The combined vulnerabilities accounted for 66% of the variance in hoarding severity.

Conclusions:

  • Hoarding disorder risk arises from a constellation of general and specific vulnerabilities.
  • Findings support extending the triple vulnerability model to hoarding disorder.
  • Future research should utilize prospective designs and clinical samples.