““evidence from functional magnetic resonance imaging showing that patients with BPD have hyperactivity in the limbic areas of the brain, especially the amygdala, and hypoactivity in the prefrontal cortex [and] in complex interaction with childhood trauma common among borderline patients, can result in the . . . behavior recognized as the symptoms of BPD: impulsive aggression, lack of affective control, and a profound mistrust born out of early disruption in the development of emotional attachment.8 Obviously, psychological theories for BPD””