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Updated: May 23, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
Published on: March 8, 2018
Personality disorder categories as combinations of dimensions: translating cooperative behavior in borderline
Jan-Erik Lönnqvist1, Markku Verkasalo, Philipp C Wichardt
1Institute of Behavioural Sciences, Department of Psychology, University of Helsinki, University of Helsinki, Finland. jan-erik.lonnqvist@helsinki.fi
Abstract:
The authors examined the proposal that personality disorder categories may denote particular detrimental combinations of personality dimensions. A multiround economic exchange game (ten round trust game), conducted with university students pre-selected on basis of their personalities (N = 164), provided a framework within which to investigate inability to repair ruptured cooperation. This behavior, thought to be characteristic of patients diagnosed with DSM-IV borderline personality disorder, was predicted only by the combination of high Neuroticism and low Agreeableness. Our results highlight an advantage of the categorical approach, category labels being a much more economic means of description than the delineation of interactions between dimensions.
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