Related Experiment Videos
Platelet MAO activity in personality disorders and normal controls.
1Department of Psychiatry, Department of Veterans Affairs Medical Center, Long Beach, CA.
Psychiatry Research
|September 1, 1990
Summary
Platelet monoamine oxidase (MAO) activity was measured in personality disorder patients. Lower MAO activity was found in borderline patients and inversely correlated with sensation seeking, suggesting MAO may indicate general psychopathology.
Area of Science:
- Neuroscience
- Psychiatry
- Biochemistry
Background:
- Platelet monoamine oxidase (MAO) activity is linked to psychiatric disorders and personality traits.
- Understanding MAO's role in personality disorders is crucial for psychiatric research.
Purpose of the Study:
- To quantify platelet MAO activity in individuals diagnosed with personality disorders.
- To investigate the correlation between platelet MAO activity and sensation-seeking behaviors in this population.
Main Methods:
- Compared platelet MAO activity in 28 male patients with personality disorders to normal controls.
- Excluded patients with Axis I diagnoses beyond adjustment disorder.
- Utilized DSM-III-R criteria for personality disorder diagnosis.
Main Results:
- No significant difference in overall MAO activity was observed between personality disorder patients and controls.
- A notable decrease in MAO activity was found in patients with borderline personality disorder.
- Platelet MAO activity showed an inverse correlation with sensation seeking, particularly within the patient group.
Conclusions:
- Platelet MAO activity does not differ between general personality disorder patients and controls.
- Reduced MAO activity in borderline patients and its inverse correlation with sensation seeking suggest a potential link.
- These findings support the hypothesis that platelet MAO activity serves as a biomarker for general psychopathology.