Affective Instability as a Clinical Feature of Avoidant Personality Disorder

Avigal Snir, Eran Bar-Kalifa, Kathy R. Berenson, Geraldine Downey, Eshkol Rafaeli

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The current study's main goal was to examine whether affective instability is elevated among individuals suffering from avoidant personality disorder (APD) by comparing it to the affective instability found among individuals suffering from borderline personality disorder (BPD) as well that found among healthy controls. Adults (N 152, aged 18-65 years) with BPD, APD, or no psychopathology participated in a 3-week computerized diary study. We examined temporal instability in negative affect using experience-sampling methods. Both within and between days, individuals with APD showed greater affective instability compared to the healthy control individuals, although less affective instability compared to individuals with BPD. The findings are in line with affective instability (or emotional lability) as a key dimension relevant across personality disorders. Additionally, they emphasize the need for research and clinical attention to affective characteristics (alongside the more readily recognized interpersonal characteristics) of APD.

Original languageEnglish
Pages (from-to)389-395
Number of pages7
JournalPersonality Disorders: Theory, Research, and Treatment
Volume8
Issue number4
DOIs
StatePublished - Oct 2017

Bibliographical note

Publisher Copyright:
© 2016 American Psychological Association.

Funding

Funding provided by National Institute of Mental Health, Award R01 MH081948. Avigal Snir and Eran Bar-Kalifa contributed equally to this article.

FundersFunder number
National Institute of Mental HealthR01MH081948

    Keywords

    • APD
    • BPD
    • affective instability
    • diary methods

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