Dissociative part-dependent resting-state activity in dissociative identity disorder: a controlled FMRI perfusion study.

ABSTRACT:

Background

In accordance with the Theory of Structural Dissociation of the Personality (TSDP), studies of dissociative identity disorder (DID) have documented that two prototypical dissociative subsystems of the personality, the "Emotional Part" (EP) and the "Apparently Normal Part" (ANP), have different biopsychosocial reactions to supraliminal and subliminal trauma-related cues and that these reactions cannot be mimicked by fantasy prone healthy controls nor by actors.

Methods

Arterial spin labeling perfusion MRI was used to test the hypotheses that ANP and EP in DID have different perfusion patterns in response to rest instructions, and that perfusion is different in actors who were instructed to simulate ANP and EP. In a follow-up study, regional cerebral blood flow of D

SUBMITTER: Schlumpf YR 

PROVIDER: S-EPMC4055615 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature