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Derealization: Difference between revisions
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This state of mind is commonly associated with and often coincides with the very similar psychological state known as [[depersonalization]]. While derealization is a perception of the unreality of the outside world, depersonalization is a subjective experience of unreality in one's sense of self. | This state of mind is commonly associated with and often coincides with the very similar psychological state known as [[depersonalization]]. While derealization is a perception of the unreality of the outside world, depersonalization is a subjective experience of unreality in one's sense of self. | ||
In psychology, chronic derealization that persists during sobriety for prolonged periods of time, is not attributable to another disorder and is distressful to the person, is identified as "derealization disorder", classified by the DSM-IV as a dissociative disorder. While degrees of derealization are common and can happen temporarily to anyone who is subject to an anxiety or stress-provoking situation, chronic derealization is more common within individuals who have experienced a severe trauma or prolonged stress and anxiety. The symptoms of both chronic derealization and depersonalization are common within the general population, with a lifetime prevalence of up to 26-74% and 31–66% at the time of a traumatic event.<ref>Hunter, E. C., Sierra, M., & David, A. S. (2004). The epidemiology of depersonalisation and derealisation. Social psychiatry and psychiatric epidemiology, 39(1), 9-18. https://dx.doi.org/10.1007/s00127-004-0701-4 | Derealization is often accompanied by other coinciding effects such as [[anxiety]] and [[depersonalization]].<ref name="Espiard2005"/> It is most commonly induced under the influence of [[dosage#common|moderate]] [[dosage|dosages]] of [[dissociative]] compounds, such as [[ketamine]], [[PCP]], and [[DXM]]. However, it can also occur to a lesser extent during the [[withdrawal]] symptoms of [[stimulant|stimulants]] and [[depressant|depressants]].</onlyinclude> | ||
===Analysis=== | |||
In psychology, chronic derealization that persists during sobriety for prolonged periods of time, is not attributable to another disorder and is distressful to the person, is identified as "derealization disorder", classified by the DSM-IV as a dissociative disorder. While degrees of derealization are common and can happen temporarily to anyone who is subject to an anxiety or stress-provoking situation, chronic derealization is more common within individuals who have experienced a severe trauma or prolonged stress and anxiety. The symptoms of both chronic derealization and depersonalization are common within the general population, with a lifetime prevalence of up to 26-74% and 31–66% at the time of a traumatic event.<ref>Hunter, E. C., Sierra, M., & David, A. S. (2004). The epidemiology of depersonalisation and derealisation. Social psychiatry and psychiatric epidemiology, 39(1), 9-18. https://dx.doi.org/10.1007/s00127-004-0701-4</ref> | |||
It has been demonstrated that derealization may be caused by a dysfunction within the brains visual processing center (occipital lobe) or the temporal lobe, which is used for processing the meaning of sensory input, language comprehension, and emotion association.<ref>Sierra, M., Lopera, F., Lambert, M. V., Phillips, M. L., & David, A. S. (2002). Separating depersonalisation and derealisation: the relevance of the “lesion method”. Journal of Neurology, Neurosurgery & Psychiatry, 72(4), 530-532. http://dx.doi.org/10.1136/jnnp.72.4.530</ref> | |||
===Psychoactive substances=== | ===Psychoactive substances=== | ||
Compounds within our [[psychoactive substance index]] which may cause this effect include: | Compounds within our [[psychoactive substance index]] which may cause this effect include: | ||