File:Dissociative identity disorder neuroscience brain imaging.png

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English: 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.

Conclusion: DID involves dissociative part-dependent resting-state differences. Compared to ANP, EP activated brain structures involved in self-referencing and sensorimotor actions more. Actors had different perfusion patterns compared to genuine ANP and EP. Comparisons of neural activity for individuals with DID and non-DID simulating controls suggest that the resting-state features of ANP and EP in DID are not due to imagination. The findings are consistent with TSDP and inconsistent with the idea that DID is caused by suggestion, fantasy proneness, and role-playing

Results from Schlumpf, Y.R.; Reinders, A. A., Nijenhuis, E. R., Luechinger, R., van Osch, M. J., Jäncke, L. (y). Dissociative Part-Dependent Resting-State Activity in Dissociative Identity Disorder: A Controlled fMRI Perfusion Study. PloS one, 9 (6), 2014. (doi:10.1371/journal.pone.0098795) Journal source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0098795 Figure 1: Significant rCBF increases in genuine EP (DIDep) compared to genuine ANP (DIDanp) in (A) the primary somatosensory cortex, primary motor cortex, premotor cortex and in (B) the pre-SMA and DMPFC.

rCBF = regional cerebral blood flow.
Date
Source https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0098795
Author

Significant rCBF increases in genuine EP (DIDep) compared to genuine ANP (DIDanp) in (A) the primary somatosensory cortex, primary motor cortex, premotor cortex and in (B) the pre-SMA and DMPFC. Source: Schlumpf, Y.R.; Reinders, A. A., Nijenhuis, E. R., Luechinger, R., van Osch, M. J., Jäncke, L. (y). Dissociative Part-Dependent Resting-State Activity in Dissociative Identity Disorder: A Controlled fMRI Perfusion Study. PloS one, 9 (6), 2014. (doi:10.1371/journal.pone.0098795)

Modification by "DID is real": caption with border.
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