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Investigations of personality disorders have increasingly turned to neuroimaging. In a structural magnetic resonance imaging (MRI) study, researchers in Norway compared differences in cortical thickness across brain regions and alexithymia scale scores in 18 women with carefully diagnosed borderline personality disorder and 21 healthy women.
Exclusions included bipolar disorders, lifetime psychosis, and schizotypal personality disorder. Patients' comorbidities included major depression (11%; 94% with ≥1 previous episode), anxiety disorders (56%), post-traumatic stress disorder (6%), additional personality disorders (39%), alcohol abuse/dependence (17%), and benzodiazepine abuse (6%). Fifty percent were taking a psychotropic medication.
MRIs i…