Dissociative Identity Disorder

Etiology

Arising From Abuse in Childhood?
Caution
Arising From Culture?
Personality Characteristic – Hypnotizability?
Compared to general/psychiatric population:
Convert severe but common disorders into more interesting “multiple personalities”

State Dependent Learning
Undiagnosed Epilepsy?
Part-suppression Hypothesis?
Behavioral Markers?
o    Glancing around the therapist's office
o    Frequently blinking one's eyes
o    Changing posture or voice's pitch or volume
o    Rolling the eyes upward
o    Laughing or showing anger
o    Suddenly covering the mouth
o    Allowing the hair to fall over one's face
o    Developing a headache
o    Scratching an itch
o    Touching the face or the chair in which one sits
o    Changing hairstyles between sessions
o    Wearing a particular color of clothing or item of jewelry
Treatment

Psychodynamic Perspective
Behavioral
Nonreinforcement
Case History
Conclusions?
Any people, given over to the power of contagious passion, may be swept by desolation, and plunged into ruin.
                      -- Charles W. Upham, 1867