A disruption in the usually integrated functions of memory, identity or perception of the environment. The subsequent pathophysiology is similar regardless of etiology. All dissociation has a neurologic basis. Limbic and paralimbic areas in the brain play an important role in integrating and balancing experience, thought, behavior, and affect. Disruption of these relationships results in dissociation.
Dissociation is due to lowering of the firing threshold of limbic neuronal circuits.
DID does not have established validity. Patients diagnosed as DID often have other disorders, such as temporal lobe epilepsy, histrionic personality, and substance abuse. Temporal Lobe Epilepsy Dissociative Identity Disorder 1. Duration up to 10 min. Automatisms absent c.