Back تبدد الواقع Arabic Derealizacija BS ونبوونی واقیع CKB Derealisation German Αποπραγματοποίηση Greek Desrealización Spanish مسخ واقعیت Persian Derealisaatio Finnish Déréalisation French הפרעת דה-ריאליזציה HE

Derealization

Derealization is an alteration in the perception of the external world, causing those with the condition to perceive it as unreal, distant, distorted, or in other ways falsified. Other symptoms include feeling as if one's environment lacks spontaneity, emotional coloring, and depth.[1] Described as "Experiences of unreality or detachment with respect to surroundings (e.g., individuals or objects are experienced as unreal, dreamlike, foggy, lifeless or visually distorted") in the DSM-5, it is a dissociative symptom that may appear in moments of severe stress.[2][3]

Derealization is a subjective experience pertaining to a person's perception of the outside world, while depersonalization is a related symptom characterized by dissociation from one's own body and mental processes. The two are commonly experienced in conjunction but can also occur independently.[4]

Chronic derealization is fairly rare, and may be caused by occipital–temporal dysfunction.[5] Experiencing derealization for long periods of time or having recurring episodes can be indicative of many psychological disorders, and can cause significant distress. Chronic derealization is estimated to occur in between 0.95% and 2.4% of the general population.[6] Derealization is equally prevalent amongst men and women, while the onset usually occurs in adolescence; only 5% of cases of chronic derealization occur in those older than 25.[7] Temporary derealization symptoms are commonly experienced by the general population a few times throughout their lives, with a lifetime prevalence of 26%–74% and a prevalence of 31%–66% at the time of a traumatic event.[8]

Derealization is linked to childhood trauma, with its severity correlating directly with the reported severity of childhood maltreatment.[9]

  1. ^ American Psychiatric Association (2004). Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR (Text Revision). American Psychiatric Association. ISBN 0-89042-024-6.
  2. ^ American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders | Psychiatry Online. doi:10.1176/appi.books.9780890425596. ISBN 978-0-89042-555-8. Retrieved 2024-11-21. {{cite book}}: |website= ignored (help)
  3. ^ "Depersonalization-derealization disorder - Symptoms and causes". Mayo Clinic. Archived from the original on 2017-10-08. Retrieved 2019-10-10.
  4. ^ "Depersonalization/Derealization Disorder - Psychiatric Disorders". MSD Manual Professional Edition. Archived from the original on 2020-11-11. Retrieved 2021-02-07.
  5. ^ Sierra M, Lopera F, Lambert MV, Phillips ML, David AS (2002). "Separating depersonalisation and derealisation: the relevance of the "lesion method"". J. Neurol. Neurosurg. Psychiatry. 72 (4): 530–2. doi:10.1136/jnnp.72.4.530. PMC 1737835. PMID 11909918.
  6. ^ Sedeño, Lucas; Couto, Blas; Melloni, Margherita; Canales-Johnson, Andrés; Yoris, Adrián; Baez, Sandra; Esteves, Sol; Velásquez, Marcela; Barttfeld, Pablo; Sigman, Mariano; Kichic, Rafael; Chialvo, Dante; Manes, Facundo; Bekinschtein, Tristan A.; Ibanez, Agustin (2014-06-26). Soriano-Mas, Carles (ed.). "How Do You Feel when You Can't Feel Your Body? Interoception, Functional Connectivity and Emotional Processing in Depersonalization-Derealization Disorder". PLOS ONE. 9 (6): e98769. Bibcode:2014PLoSO...998769S. doi:10.1371/journal.pone.0098769. ISSN 1932-6203. PMC 4072534. PMID 24967634.
  7. ^ Murphy, Rachael J. (January–March 2023). "Depersonalization/Derealization Disorder and Neural Correlates of Trauma-related Pathology: A Critical Review". Innovations in Clinical Neuroscience. 20 (1–3): 53–59. PMC 10132272. PMID 37122581.
  8. ^ Hunter EC, Sierra M, David AS (2004). "The epidemiology of depersonalization and derealisation". Social Psychiatry and Psychiatric Epidemiology. 39 (1): 9–18. doi:10.1007/s00127-004-0701-4. PMID 15022041. S2CID 31285190.
  9. ^ Daniels, Judith K.; Timmerman, Marieke E.; Spitzer, Carsten; Lampe, Astrid (2024-12-31). "Differential constellations of dissociative symptoms and their association with childhood trauma – a latent profile analysis". European Journal of Psychotraumatology. 15 (1). doi:10.1080/20008066.2024.2348345. ISSN 2000-8066. PMC 11095287. PMID 38739008.

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