Answer:
c. prefrontal cortex activity.
Research has suggested that individuals with borderline personality disorder may have reduced activity in the prefrontal cortex, which is involved in regulating emotions and behaviors. This reduced activity may contribute to difficulties with emotion regulation and impulsivity. While abnormalities in other brain regions, such as the limbic system, have also been implicated in borderline personality disorder, the prefrontal cortex appears to be particularly important in this disorder. There is less evidence for a direct link between dopamine receptors or the corpus callosum and borderline personality disorder.
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