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Impulsivity in patients with borderline personality disorder
Jonathan Dowson1, Evangelos Bazanis, Robert Rogers
1Department of Psychiatry, University of Cambridge, Addenbrooke's Hospital, UK.
Comprehensive Psychiatry
|December 13, 2003
Summary
Patients with borderline personality disorder (BPD) exhibit higher impulsivity and impaired coordination. Neurocognitive tasks reveal links between frontal lobe function and these BPD-related impulsivity features.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Psychology
Background:
- Borderline personality disorder (BPD) is characterized by emotional dysregulation and impulsivity.
- Understanding the neurocognitive underpinnings of BPD symptoms is crucial for targeted interventions.
Purpose of the Study:
- To investigate specific features of impulsivity in patients with BPD.
- To explore the relationship between self-reported impulsivity, neurocognitive performance, and frontal lobe functioning in BPD.
Main Methods:
- Utilized the Attention-Deficit Scales for Adults (ADSA) for self-reported impulsivity.
- Administered computer-based neurocognitive tasks assessing frontal lobe functions (planning, decision-making).
- Compared 41 BPD patients with 35 nonclinical controls.
Main Results:
- BPD patients scored significantly higher on seven ADSA scales related to impulsivity.
- BPD patients reported increased impaired coordination.
- Impulsivity aspects correlated with planning task performance (dorsolateral frontal lobe).
- Impaired coordination correlated with decision-making task performance (orbitofrontal cortex).
Conclusions:
- Impulsivity and impaired coordination are significantly associated with BPD.
- Specific aspects of impulsivity and coordination in BPD relate to distinct frontal lobe functions.
- Further research is needed to confirm the specificity of these neurocognitive findings in BPD.