Abstract
Linehan's biosocial theory posits that individuals at risk
for developing Borderline Personality Disorder (BPD) have
biological vulnerabilities to emotion dysregulation and exposure to
invalidating environments, which would exacerbate these
vulnerabilities. In this study, we aimed to characterize
adolescents at risk for the development of BPD in two ways. First,
by characterizing the biological vulnerabilities; and second, by
understanding the association between biological vulnerabilities
and functions of NSSI. Participants included two groups of
mother-daughter dyads, one of which included adolescents at risk
for BPD (i.e. adolescents who engage in repetitive self-injury) and
the other with healthy control adolescents. We assessed skin
conductance responses to maternal invalidation and self-reported
functions of NSSI. Results indicated that healthy controls and
self-injuring adolescents did not differ in their response to
maternal invalidation, although there was some indication for
greater sensitivity among self-injuring adolescents, and no
significant association between biological vulnerabilities and
functions of NSSI. The findings, if replicated in a study that
corrects for this study's methodological limitations, suggest the
need to reevaluate key components of the biosocial
theory.
Table of Contents
Table of Contents
Introduction
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2
Method
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15
Results
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22
Discussion
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24
References
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31
Tables
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37
Figures
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39
Appendix A
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40
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