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Related Experiment Videos

Borderline personality disorder: impaired visual perception and working memory.

Andreas Stevens1, Michaela Burkhardt, Martin Hautzinger

  • 1Department of Psychiatry, University of Tübingen, Osianderstr. 22, D-72076 Tuebingen, Germany. andreas.stevens@med.uni-tuebingen.de

Psychiatry Research
|March 31, 2004
PubMed
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Borderline personality disorder (BPD) impairs perceptual speed and working memory. These cognitive deficits in BPD patients were not worsened by increased cognitive load, suggesting specific underlying neural mechanisms.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • The neurobiology of borderline personality disorder (BPD) remains poorly understood.
  • Existing research indicates a range of neuropsychological deficits in BPD.

Purpose of the Study:

  • To investigate perceptual speed and working memory functions in female BPD patients.
  • To compare cognitive performance between BPD subjects and healthy controls.

Main Methods:

  • Assessed perception using a backward masking paradigm.
  • Evaluated working memory with delayed matching-to-sample tasks under varying cognitive loads.
  • Included tasks measuring mental rotation, memory retrieval, distractor inhibition, and cross-modal performance.

Main Results:

Related Experiment Videos

  • BPD subjects showed significantly slower perceptual speed and delayed motor responses compared to controls.
  • Working memory accuracy was impaired in BPD patients, irrespective of cognitive load.
  • BPD subjects exhibited a similar speed-accuracy trade-off as controls when task difficulty increased.

Conclusions:

  • Perceptual speed and working memory are demonstrably impaired in individuals with BPD.
  • The observed cognitive deficits in BPD are not exacerbated by higher cognitive demands.