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Depersonalization/Derealization Disorder and Neural Correlates of Trauma-related Pathology: A Critical Review.

Depersonalization and derealization refer to an estranged state of mind that involves a profound feeling of detachment from one's sense of self and the surrounding environment, respectively. The phenomena co-occur on a continuum of severity, ranging from a transient experience as a normal reaction t...

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Published in:Innovations in Clinical Neuroscience Vol. 20; no. 1-3; pp. 53 - 60
Main Author: MURPHY, RACHAEL J.
Format: pictorial review Journal Article
Published: Matrix Medical Communications, LLC Jan-Mar2023
Online Access:View this record in EBSCOhost
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      dt: Jan-Mar2023
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      pub: Matrix Medical Communications, LLC
      place: West Chester, Pennsylvania
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        atl: Depersonalization/Derealization Disorder and Neural Correlates of Trauma-related Pathology: A Critical Review.
      aug:
        au: MURPHY, RACHAEL J.
        affil: Department of Psychiatry at Lehigh Valley Health Network in Bethlehem, Pennsylvania
      sug:
        subj:
          Depersonalization
          Trauma Pathology
          Literature Review
      ab: Depersonalization and derealization refer to an estranged state of mind that involves a profound feeling of detachment from one's sense of self and the surrounding environment, respectively. The phenomena co-occur on a continuum of severity, ranging from a transient experience as a normal reaction to a traumatic event to a highly debilitating condition with persistent symptoms, formally described as depersonalization/derealization disorder (DPDR). Lack of awareness of DPDR is partly due to a limited neurobiological framework, and there remains a significant risk of misdiagnosis in clinical practice. Earlier literature has focused on several brain regions involved in the experience of depersonalization and derealization, including adaptive responses to stress via defense cascades comprising autonomic functioning, the hypothalamic-pituitary-adrenal (HPA) axis, and various other neurocircuits. Recent evidence has also demonstrated the role of more complex mechanisms that are bolstered by dissociative features, such as emotional dysregulation and disintegration of the body schema. This review intends to abridge the prevailing knowledge regarding structural and functional brain alterations associated with DPDR with that of its heterogenic manifestations. DPDR is not merely the disruption of various sensory integrations, but also of several large-scale brain networks. Although a comprehensive antidote is not available for DPDR, a holistic route to the neurobiological context in DPDR may improve general understanding of the disorder and help afflicted individuals re-establish their sense of personal identity. Such information may also be useful in the development of novel pharmacological agents and targeted psychological interventions.
      pubtype: Academic Journal
      doctype:
        pictorial
        review
        Journal Article
      ougenre: Article
    language: English
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