PSYC 1010 Lecture Notes - Lecture 18: Dissociative Identity Disorder, Cortical Blindness, Personality Disorder

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Rebecca Jubis

Document Summary

Dissociative identity disorder (did; commonly known as multiple personality disorder): someone has a main personality in addition to 1 or even 10-15+ secondary personalities expressed through different traits/attitudes/behaviours distinct from the main personality. Not to be confused with schizophrenia (has been confused in the popular media). The main personality may be unaware of secondary personalities. An individual may therefore forget long slots of time during which they were in a different personality. The secondary personalities may be aware of one another. Example: in 1978 billy acquitted of raping four women. The defense was that it was not him committing the crime, but (cid:862)adelena(cid:863) one of his 10 personalities. Another secondary personality had turned in (cid:862)adelena(cid:863) (physically, all the same person billy). Historical prevalence: up until 1980 when did was first included in the dsm (recall: diagnostic and. However, thereafter there were 35 times as many cases. Examples: teenage boy lost sight after an emotionally intense situation.