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Depersonalization: Difference between revisions

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<onlyinclude>'''Depersonalization''' or '''depersonalisation''' (sometimes abbreviated as '''DP''') is medically recognized as the experience of feeling detached from, and as if one is an outside observer of, one's mental processes, body, or actions.<ref name="DSM5Glossary">American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.), 818-20. Arlington, VA: American Psychiatric Publishing. https://doi.org/10.1176/appi.books.9780890425596.GlossaryofTechnicalTerms</ref><ref name=":1">Kolev, O. I., Georgieva-Zhostova, S. O., & Berthoz, A. (2014). Anxiety changes depersonalization and derealization symptoms in vestibular patients. ''Behavioural Neurology'', ''2014''. https://dx.doi.org/10.1155%2F2014%2F847054</ref> During this state, the affected person may feel like they are "[[physical autonomy|on autopilot]]" and that the world is lacking in significance.<ref name=":2">Radovic, F., & Radovic, S. (2002). Feelings of unreality: A conceptual and phenomenological analysis of the language of depersonalization. ''Philosophy, Psychiatry, & Psychology'', ''9''(3), 271-279. https://doi.org/10.1353/ppp.2003.0048</ref> Individuals who experience depersonalization feel detached from aspects of the self, including feelings (e.g., "I know I have feelings but I don't feel them"),<ref name=":3">Phillips, M. L., Medford, N., Senior, C., Bullmore, E. T., Suckling, J., Brammer, M. J., ... & David, A. S. (2001). Depersonalization disorder: thinking without feeling. Psychiatry Research: Neuroimaging, 108(3), 145-160. https://doi.org/10.1016/S0925-4927(01)00119-6</ref> thoughts (e.g., "My thoughts don't feel like my own"), and sensations (e.g., touch, hunger, thirst, libido).<ref name=":1" /><ref name=":0">American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.), 302-306. Arlington, VA: American Psychiatric Publishing.https://doi.org/10.1176/appi.books.9780890425596.dsm08</ref> This can be distressing to the user, who may become disoriented by the loss of a sense that their self is the origin of their thoughts and actions.
<onlyinclude>'''Depersonalization''' or '''depersonalisation''' (sometimes abbreviated as '''DP''') is medically recognized as the experience of feeling detached from, and as if one is an outside observer of, one's mental processes, body, or actions. (e.g., feeling like one is in a dream; a sense of unreality of self, perceptual alterations; emotional and/or physical numbing; temporal distortions; sense of unreality).<ref name="DSM5Glossary">American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.), 818-20. Arlington, VA: American Psychiatric Publishing. https://doi.org/10.1176/appi.books.9780890425596.GlossaryofTechnicalTerms</ref><ref>Simeon, D., Knutelska, M., Nelson, D., & Guralnik, O. (2003). Feeling unreal: a depersonalization disorder update of 117 cases. The Journal of clinical psychiatry. http://psycnet.apa.org/doi/10.4088/JCP.v64n0903</ref>  


It is perfectly normal for people to slip into this state temporarily, often without even realizing it. For example, many people often note that they enter a detached state of autopilot during stressful situations or when performing monotonous routine tasks such as driving.
During this state, the affected person may feel that they are "[[physical autonomy|on autopilot]]" and that the world has become vague, dreamlike, less real, or lacking in significance. Individuals who experience depersonalization often feel divorced from their own personal physicality by no longer sensing their body sensations, feelings, emotions, and behaviors as belonging to a person or identity. It is also often claimed by people who have depersonalization that reality seems unreal, distant or hazy. Depersonalization can sometimes be distressing to the user, who may become disoriented by the loss of a sense that their self is the origin of their thoughts and actions. However, it does not have to be an inherently negative altered state of awareness, as it does not directly affect one's emotions or thought patterns.


It is worth noting that this state of mind is also commonly associated with and occurs alongside [[derealization]]. While depersonalization is the subjective experience of unreality in one's sense of self, derealization is the perception of unreality in the outside world.<ref name=":1" /><ref name=":2" /><ref name=":0" />
It is perfectly normal for many people to slip into this state temporarily, often without even realizing it. For example, many people often note that they enter a detached state of autopilot during stressful situations or when performing monotonous routine tasks such as driving.


Depersonalization is often accompanied by other coinciding effects such as [[anxiety]],<ref name=":1" /><ref name=":3" /> [[depression]],<ref name=":3" /> [[time distortion]], and [[derealization]].<ref name=":0" /> 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 under the influence of [[cannabis]]<ref>Mathew, R. J., Wilson, W. H., Chiu, N. Y., Turkington, T. G., DeGrado, T. R., & Coleman, R. E. (1999). Regional cerebral blood flow and depersonalization after tetrahydrocannabinol adrninistration. Acta Psychiatrica Scandinavica, 100(1), 67-75. https://doi.org/10.1111/j.1600-0447.1999.tb10916.x</ref> and during the [[withdrawal]] symptoms of [[stimulant|stimulants]] and [[depressant|depressants]].</onlyinclude>
It is worth noting that this state of mind is also commonly associated with and occurs alongside of a very similar psychological disorder known as [[derealization]]. While depersonalization is a subjective experience of unreality in one's sense of self, derealization is a perception of the unreality of the outside world.
 
Depersonalization is often accompanied by other coinciding effects such as [[anxiety]] and a very similar psychological disorder known as [[derealization]].  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===
===Analysis===
In psychiatry, chronic depersonalization that arises during sobriety is identified as "Depersonalization/Derealization Disorder" and is classified by the DSM5 as a dissociative disorder.<ref name=":0" />  
In psychology, chronic depersonalization that persists during sobriety for prolonged periods of time is identified as "depersonalization disorder" and is classified by the DSM-IV as a dissociative disorder.
 
While degrees of depersonalization are common and can happen temporarily to anyone who is subject to an anxiety or stress provoking situation, chronic depersonalization 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>  


Temporary depersonalization/derealization symptoms lasting hours to days are common in the general population. Approximately one-half of all adults have experienced at least one episode of this effect within their lifetime, and the gender ratio for the disorder is 1:1.<ref name=":0" /> Chronic depersonalization 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 also 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>


Within the context of [[identity alteration|identity altering]] effects, depersonalization can be considered as being at the opposite end of the identity spectrum relative to states of [[unity and interconnectedness]]. This is because during depersonalization, a person senses and attributes their identity to nothing, giving a sense of having no self. However, during a state of unity and interconnectedness, one senses and attributes their identity to everything, giving a sense that the entirety of existence is their self.
Within the context of [[identity alteration|identity altering]] effects, depersonalization can be considered as being at the opposite end of the identity spectrum relative to states of [[unity and interconnectedness]]. This is because during depersonalisation, a person senses and attributes their identity to nothing, giving a sense of having no self. However, during a state of unity and interconnectedness, one senses and attributes their identity to everything, giving a sense that the entirety of existence is their self.
===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:
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*[[Dissociatives#Subjective_effects|Dissociatives - Subjective effects]]
*[[Dissociatives#Subjective_effects|Dissociatives - Subjective effects]]
===External links===
===External links===
*[http://en.wikipedia.org/wiki/Depersonalization Depersonalization (Wikipedia)]
*[http://en.wikipedia.org/wiki/Depersonalization Depersonlization (Wikipedia)]
===References===
===References===
<references />
<references />

Revision as of 03:11, 7 February 2019

Depersonalization or depersonalisation (sometimes abbreviated as DP) is medically recognized as the experience of feeling detached from, and as if one is an outside observer of, one's mental processes, body, or actions. (e.g., feeling like one is in a dream; a sense of unreality of self, perceptual alterations; emotional and/or physical numbing; temporal distortions; sense of unreality).[1][2]

During this state, the affected person may feel that they are "on autopilot" and that the world has become vague, dreamlike, less real, or lacking in significance. Individuals who experience depersonalization often feel divorced from their own personal physicality by no longer sensing their body sensations, feelings, emotions, and behaviors as belonging to a person or identity. It is also often claimed by people who have depersonalization that reality seems unreal, distant or hazy. Depersonalization can sometimes be distressing to the user, who may become disoriented by the loss of a sense that their self is the origin of their thoughts and actions. However, it does not have to be an inherently negative altered state of awareness, as it does not directly affect one's emotions or thought patterns.

It is perfectly normal for many people to slip into this state temporarily, often without even realizing it. For example, many people often note that they enter a detached state of autopilot during stressful situations or when performing monotonous routine tasks such as driving.

It is worth noting that this state of mind is also commonly associated with and occurs alongside of a very similar psychological disorder known as derealization. While depersonalization is a subjective experience of unreality in one's sense of self, derealization is a perception of the unreality of the outside world.

Depersonalization is often accompanied by other coinciding effects such as anxiety and a very similar psychological disorder known as derealization. It is most commonly induced under the influence of moderate dosages of dissociative compounds, such as ketamine, PCP, and DXM. However, it can also occur to a lesser extent during the withdrawal symptoms of stimulants and depressants.

Analysis

In psychology, chronic depersonalization that persists during sobriety for prolonged periods of time is identified as "depersonalization disorder" and is classified by the DSM-IV as a dissociative disorder.

While degrees of depersonalization are common and can happen temporarily to anyone who is subject to an anxiety or stress provoking situation, chronic depersonalization 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.[3]

It has also 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.[4]

Within the context of identity altering effects, depersonalization can be considered as being at the opposite end of the identity spectrum relative to states of unity and interconnectedness. This is because during depersonalisation, a person senses and attributes their identity to nothing, giving a sense of having no self. However, during a state of unity and interconnectedness, one senses and attributes their identity to everything, giving a sense that the entirety of existence is their self.

Psychoactive substances

Compounds within our psychoactive substance index which may cause this effect include:

See also

References

  1. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.), 818-20. Arlington, VA: American Psychiatric Publishing. https://doi.org/10.1176/appi.books.9780890425596.GlossaryofTechnicalTerms
  2. Simeon, D., Knutelska, M., Nelson, D., & Guralnik, O. (2003). Feeling unreal: a depersonalization disorder update of 117 cases. The Journal of clinical psychiatry. http://psycnet.apa.org/doi/10.4088/JCP.v64n0903
  3. 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
  4. 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