Cited by 35Personality Disorders and PsychopathologyAdvanced Neuroimaging Techniques and ApplicationsSuicide and Self-Harm Studies

Structural Alterations in the Corpus Callosum Are Associated with Suicidal Behavior in Women with Borderline Personality Disorder

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Lischke, Alexander, Domin, Martin, Freyberger, Harald J., Grabe, Hans J., Mentel, Renate, Bernheim, Dorothee, Lotze, Martin·2017·Frontiers in Human Neuroscience

Abstract

Structural alterations in the corpus callosum (CC), the major white matter tract connecting functionally related brain regions in the two hemispheres, have been shown to be associated with emotional instability, impulsivity and suicidality in various mental disorders. To explore whether structural alterations of the CC would be similarly associated with emotional instability, impulsivity and suicidality in borderline personality disorder (BPD), we used diffusion tensor imaging (DTI) to assess the structural integrity of the CC in 21 BPD and 20 healthy control (HC) participants. Our hypothesis-driven analyses revealed a positive correlation between BPD participants' suicidal behavior and fractional anisotropy (FA) in the splenium and genu of the CC and a negative correlation between BPD participants' suicidal behavior and mean diffusivity (MD) in the splenium of CC. Our exploratory analyses suggested that suicidal BPD participants showed less FA and more MD in these regions than HC participants but that non-suicidal BPD participants showed similar FA and MD in these regions as HC participants. Taken together, our findings suggest an association between BPD participants' suicidal behavior and structural alterations in regions of the CC that are connected with brain regions implicated in emotion regulation and impulse control. Structural alterations of the CC may, thus, account for deficits in emotion regulation and impulse control that lead to suicidal behavior in BPD. However, these findings should be considered as preliminary until replicated and extended in future studies that comprise larger samples of suicidal and non-suicidal BPD participants.

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  • Lower frontal-subcortical fractional anisotropy may indicate impaired top-down executive control, explaining correlations with attempt-related impulsivity and number of suicide attempts.

    “Such findings may indicate impaired top-down executive control, explaining a correlation with attempt-related impulsivity (80) and number of suicide attempts (81, 82).”

    From A brain-centric model of suicidal behavior (2020) · cites this paper as [82]

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Authors
Lischke, A., Domin, M., Freyberger, H. J., Grabe, H. J., Mentel, R., Bernheim, D., & Lotze, M.
Affiliations
  • Universitätsmedizin Greifswald (DE)
  • Universität Greifswald (DE)
  • Universität Ulm (DE)
Corresponding author
Lischke, Alexander
Venue
Frontiers in Human Neuroscience
Published
2017-04-24
Volume
11
Pages
196-196
ISSN
1662-5161 (ISSN-L)
OpenAlex
W2604741921
Cited by
35
References
58
Citations by year
2026: 4 · 2025: 4 · 2024: 3 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 7 · 2019: 6 · 2018: 3 · 2017: 1
FWCI
5.75
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Human Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OPen Access Repositorium der Universität Ulm (OPARU) (Ulm University) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Universität Ulm, Kommunikations- und Informationszentrum (kiz) (cc-by)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Personality Disorders and Psychopathology
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
Keywords
corpus callosum, borderline personality disorder, suicidal behavior, white matter integrity, fractional anisotropy, mean diffusivity, splenium, genu, emotion regulation, impulse control, women

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