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Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
Published on: March 8, 2018
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Amygdala structure and aggressiveness in borderline personality disorder
Falk Mancke1, Sabine C Herpertz2, Dusan Hirjak3
1Department of General Psychiatry, Center for Psychosocial Medicine, University of Heidelberg, Voßstraße 2, 69115, Heidelberg, Germany. falk.mancke@med.uni-heidelberg.de.
European Archives of Psychiatry and Clinical Neuroscience
|November 24, 2016
Summary
Aggressiveness in borderline personality disorder (BPD) is linked to specific amygdala regions, particularly in males. This study highlights sex-specific differences in the neurobiology of BPD aggression.
Area of Science:
- Neuroscience
- Psychiatry
- Brain Imaging
Background:
- Aggressiveness is a key clinical feature of borderline personality disorder (BPD).
- Previous research suggests amygdala alterations are associated with BPD aggressiveness.
- Gaps exist in understanding the precise location of these alterations and sex-specific differences.
Purpose of the Study:
- To investigate sex-specific amygdala alterations (volume and shape) associated with aggressiveness in BPD patients.
- To compare BPD patients with healthy controls, considering sex differences.
Main Methods:
- Utilized an automated segmentation method for amygdala analysis.
- Examined both amygdala volume and localized shape in a sex-mixed sample.
- Included BPD patients and healthy volunteers.
Main Results:
- No overall difference in amygdala volume between BPD patients and controls.
- A trend for positive association between right amygdala volume and aggressiveness in male BPD patients.
- Specific regions of the left amygdala in male BPD patients were positively associated with aggressiveness.
Conclusions:
- Emphasizes the importance of considering sex-specific effects in BPD research.
- Demonstrates a link between male BPD patients' aggressiveness and amygdala regions involved in social processing and emotional learning.
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