The Personality System
The average number of personalities for a person with MPD ranged from eight to thirteen. However, there can be many more; some cases have reported up to 100 or more personalities. The personalities may be referred to as alter personalities, alternates, or alters. Collectively, they are referred to as a system. They are experienced by the patient as distinct and separate individuals, with their own way of perceiving the world and responding to it.
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