Individuals with borderline personality disorder (BPD) and posttraumatic stress disorder (PTSD) often experience dissociative symptoms. Evidence is increasing that stress-related hyperglutamatergic states may contribute to dissociative symptoms and neurodegeneration in temporo-parietal cortical areas.
Seventeen young women with BPD who had been exposed to severe childhood physical/se…
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Positron emission tomography in female patients with borderline personality diso…
The pathology of Borderline personality disorder (BPD) is poorly understood and its biological basis remains largely unknown. One functional brain imaging study using [(18)F]Deoxyglucose-PET previously reported frontal and prefrontal hypometabolism. We studied brain metabolism at baseline in 12 medication-free female patients with BPD without current substance abuse or depression and 12 healthy fe…
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Pet studies of serotonin synthesis in the human brain.
The method for measuring serotonin synthesis in human brain uses [11C]alpha-methyl-L-tryptophan as a tracer and positron emission tomography. The alpha-methyl-L-tryptophan is converted to alpha-methylserotonin, which is not a substrate for monoamine oxidase and therefore accumulates in the brain.
In a pilot study published recently, rates of serotonin synthesis were found to be highe… |
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Impulsivity and prefrontal hypometabolism in borderline personality disorder.
Prefrontal hypoperfusion and decreased glucose uptake in the prefrontal cortex (PFC) are found in violent criminal offenders, murderers and aggressive psychiatric patients. These abnormalities may be independent of diagnosis and associated with impulsive-aggression as a personality trait. Impulsive-aggression is a clinical characteristic of borderline personality disorder (BPD) where it is associa…
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Brain glucose metabolism in borderline personality disorder.
We searched for regional cerebral metabolic disturbances in patients with borderline personality disorder (BPD). Ten inpatients with BPD, no current DSM-IIIR Axis I diagnosis and free of any psychotropic substances, were compared with 15 age-matched control subjects using positron emission tomography with 2-deoxy-2-[18F]fluoro-D-glucose and semiquantitative analysis of regional glucose metabolic a…
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Patients with borderline personality disorder may have lower brain serotonin syn…
The method for measuring serotonin synthesis in human brain uses [11C]alpha-methyl-L-tryptophan as a tracer and positron emission tomography. The alpha-methyl-L-tryptophan is converted to alpha-methylserotonin, which is not a substrate for monoamine oxidase and therefore accumulates in the brain.
In a pilot study published recently, rates of serotonin synthesis were found to be highe… |
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