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Related Experiment Video

Updated: Jul 18, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

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Early visual information processing deficit in depression with and without Borderline Personality Disorder.

John G Keilp¹, H Marie Klain, Beth Brodsky

¹Department of Neuroscience, Columbia University Medical College and New York State Psychiatric Institute, Box 42, 1051 Riverside Drive, New York, NY 10032, USA. johnkeil@neuron.cpmc.columbia.edu

Psychiatry Research

|November 14, 2006

Summary

Depressed patients with Borderline Personality Disorder (BPD) show impaired visual backward masking, indicating deficits in early visual processing. This impairment may contribute to the impulsivity characteristic of BPD.

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Area of Science:

Neuroscience
Psychiatry
Cognitive Psychology

Background:

Backward masking assesses early visual processing, often impaired in psychotic disorders.
Previous research on backward masking in Borderline Personality Disorder (BPD) yielded inconsistent results.

Purpose of the Study:

To investigate visual backward masking performance in unmedicated depressed patients with and without BPD.
To compare performance between depressed BPD patients, non-BPD depressed patients, and healthy controls.

Main Methods:

Evaluated visual backward masking accuracy in three groups: depressed patients with BPD (n=12), depressed patients without BPD (n=16), and healthy volunteers (n=18).
Analyzed performance differences across varying inter-stimulus intervals (ISIs).

Main Results:

Depressed patients with BPD demonstrated significantly poorer accuracy compared to both non-BPD depressed patients and healthy controls.
No accuracy differences were observed between non-BPD depressed patients and healthy controls.
Impairments in BPD patients were most pronounced at faster ISIs and not linked to psychotic symptoms; accuracy correlated with impulsivity ratings.

Conclusions:

Poor early visual information processing is a characteristic feature of Borderline Personality Disorder.
These processing deficits may underlie the impulsivity observed in BPD.