What causes Borderline Personality Disorder (BPD)?
The etiology of borderline personality disorder is not known. Biological investigations suggest impairment of neuropsychological function and dysfunctions of specific neurotransmitters and electrophysiological mechanisms. Some of the cause of BPD are as follows: • Brain Chemistry: It is caused by a dysfunction of the Limbic area of the Brain, which controls emotion. The neurotransmitters dopamine, serotonin, acetylcholine, and norepinephrine may be involved. Linehan theorizes that borderlines are born with an innate biological tendency to react more intensely to lower levels of stress than others and to take longer to recover. They peak “higher” emotionally on less provocation and take longer coming down. • Genetic Factors: Genetically mental illness is the trait, not a particular disorder. Dr Markovitz has estimated that the rate of transferring down the mental illness gene is around 7%. • Environmental Factors: Early environmental influences (anything from long-term isolation for an