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Spatial disorientation: Difference between revisions
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>Graham Definition from research paper attempting to exactly specify spatial disorientation in order to differentiate it from 'illusion' often used in aircraft contexts. |
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<onlyinclude>'''Spatial disorientation''' is defined as the failure to perceive or perceiving incorrectly the position, motion, or altitude of oneself within the fixed coordinate system provided by the surface of the Earth and the gravitational vertical.<ref>Cheung | <onlyinclude>'''Spatial disorientation''' is defined as the failure to perceive or perceiving incorrectly the position, motion, or altitude of oneself<ref>{{cite journal | vauthors=((Peters, R. A.)) | journal=NASA | title=Dynamics of the vestibular system and their relation to motion perception, spatial disorientation, and illusions | date=1 April 1969 | url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19690013275.pdf}}</ref> within the fixed coordinate system provided by the surface of the Earth and the gravitational vertical.<ref name="Cheung2013">{{cite journal|last1=Cheung|first1=Bob|title=Spatial Disorientation: More Than Just Illusion|journal=Aviation, Space, and Environmental Medicine|volume=84|issue=11|year=2013|pages=1211–1214|issn=00956562|doi=10.3357/ASEM.3657.2013}}</ref> In this state, a person may have trouble distinguishing up from down, right from left, or any two different directions from another. The person might also perceive the world or their own body as being flipped sideways or upside down. | ||
Spatial disorientation is often accompanied by other coinciding effects such as [[holes, spaces and voids]], [[changes in felt gravity]],<ref>Espiard | Spatial disorientation is often accompanied by other coinciding effects such as [[holes, spaces and voids]], [[changes in felt gravity]],<ref name="EspiardLecardeur2005">{{cite journal|last1=Espiard|first1=M|last2=Lecardeur|first2=L|last3=Abadie|first3=P|last4=Halbecq|first4=I|last5=Dollfus|first5=S|title=Hallucinogen persisting perception disorder after psilocybin consumption: a case study|journal=European Psychiatry|volume=20|issue=5-6|year=2005|pages=458–460|issn=09249338|doi=10.1016/j.eurpsy.2005.04.008}}</ref> and [[dizziness]].<ref name="KatselouPapoutsis2018">{{cite journal|last1=Katselou|first1=Maria|last2=Papoutsis|first2=Ioannis|last3=Nikolaou|first3=Panagiota|last4=Misailidi|first4=Nektaria|last5=Spiliopoulou|first5=Chara|last6=Athanaselis|first6=Sotiris|title=Diphenidine: a dissociative NPS makes an entrance on the drug scene|journal=Forensic Toxicology|volume=36|issue=2|year=2018|pages=233–242|issn=1860-8965|doi=10.1007/s11419-018-0421-1}}</ref> It is most commonly induced under the influence of [[dosage#common|moderate]] [[dosage|dosages]] of [[dissociative]] compounds, such as [[diphenidine]],<ref name="KatselouPapoutsis2018" /> [[ketamine]],<ref name="Bianchi1997">{{cite journal|last1=Bianchi|first1=Antonio|title=Comments on “The Ketamine Model of the Near-Death Experience: A Central Role for the N-Methyl-D-Aspartate Receptor”|journal=Journal of Near-Death Studies|volume=16|issue=1|year=1997|pages=71–78|issn=08914494|doi=10.1023/A:1025067412205}}</ref> and [[DXM]]. | ||
</onlyinclude> | </onlyinclude> | ||
===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: | ||
{{#ask:[[Category:Psychoactive substance]][[Effect::Spatial disorientation]]|format=ul|Columns=2}} | {{#ask:[[Category:Psychoactive substance]][[Effect::Spatial disorientation]]|format=ul|Columns=2}} | ||
===Experience reports=== | |||
Annectdotal reports which describe this effect with our [[experience index]] include: | |||
{{#ask:[[Category:Experience]][[Effect::Spatial disorientation]]|format=ul|Columns=2}} | |||
===See also=== | ===See also=== | ||
*[[Responsible use]] | *[[Responsible use]] | ||
| Line 14: | Line 17: | ||
===External links=== | ===External links=== | ||
* [https://en.wikipedia.org/wiki/Spatial_disorientation Spatial disorientation (Wikipedia)] | * [https://en.wikipedia.org/wiki/Spatial_disorientation Spatial disorientation (Wikipedia)] | ||
* [https://en.wikipedia.org/wiki/Sense_of_balance Sense of balance (Wikipedia)] | |||
* [https://en.wikipedia.org/wiki/Proprioception Proprioception (Wikipedia)] | |||
* [https://en.wikipedia.org/wiki/Topographical_disorientation Topographical disorientation (Wikipedia)] | |||
* [https://en.wikipedia.org/wiki/Agraphesthesia Agraphesthesia (Wikipedia)] | * [https://en.wikipedia.org/wiki/Agraphesthesia Agraphesthesia (Wikipedia)] | ||
===References=== | ===References=== | ||
Latest revision as of 00:55, 4 June 2022
Spatial disorientation is defined as the failure to perceive or perceiving incorrectly the position, motion, or altitude of oneself[1] within the fixed coordinate system provided by the surface of the Earth and the gravitational vertical.[2] In this state, a person may have trouble distinguishing up from down, right from left, or any two different directions from another. The person might also perceive the world or their own body as being flipped sideways or upside down.
Spatial disorientation is often accompanied by other coinciding effects such as holes, spaces and voids, changes in felt gravity,[3] and dizziness.[4] It is most commonly induced under the influence of moderate dosages of dissociative compounds, such as diphenidine,[4] ketamine,[5] and DXM.
Psychoactive substances
Compounds within our psychoactive substance index which may cause this effect include:
- 2-Fluorodeschloroketamine
- 3-Cl-PCP
- 3-HO-PCE
- 3-HO-PCP
- 3-MeO-PCE
- 3-MeO-PCMo
- 3-MeO-PCP
- 4-MeO-PCP
- 5-MeO-DMT
- DMT
- DPT
- Deschloroketamine
- Dextromethorphan
- Diphenidine
- Ephenidine
- GBL
- GHB
- HXE
- Ibogaine
- Kava
- Ketamine
- MXiPr
- Methoxetamine
- Methoxphenidine
- Salvinorin A
Experience reports
Annectdotal reports which describe this effect with our experience index include:
- Experience:110mg Diphenidine (vaporized) + 354mg DXM - instant ego death
- Experience:25mg (insufflated) - Simultaneously amazing and horrible
- Experience:25mg - A labyrinth of organs and a storybook walk
- Experience:260 mg Ketamine (insufflated) - Lost in Paisley
See also
- Responsible use
- Subjective effects index
- Psychedelics - Subjective effects
- Dissociatives - Subjective effects
- Deliriants - Subjective effects
External links
- Spatial disorientation (Wikipedia)
- Sense of balance (Wikipedia)
- Proprioception (Wikipedia)
- Topographical disorientation (Wikipedia)
- Agraphesthesia (Wikipedia)
References
- ↑ Peters, R. A. (1 April 1969). "Dynamics of the vestibular system and their relation to motion perception, spatial disorientation, and illusions" (PDF). NASA.
- ↑ Cheung, Bob (2013). "Spatial Disorientation: More Than Just Illusion". Aviation, Space, and Environmental Medicine. 84 (11): 1211–1214. doi:10.3357/ASEM.3657.2013. ISSN 0095-6562.
- ↑ Espiard, M; Lecardeur, L; Abadie, P; Halbecq, I; Dollfus, S (2005). "Hallucinogen persisting perception disorder after psilocybin consumption: a case study". European Psychiatry. 20 (5-6): 458–460. doi:10.1016/j.eurpsy.2005.04.008. ISSN 0924-9338.
- ↑ 4.0 4.1 Katselou, Maria; Papoutsis, Ioannis; Nikolaou, Panagiota; Misailidi, Nektaria; Spiliopoulou, Chara; Athanaselis, Sotiris (2018). "Diphenidine: a dissociative NPS makes an entrance on the drug scene". Forensic Toxicology. 36 (2): 233–242. doi:10.1007/s11419-018-0421-1. ISSN 1860-8965.
- ↑ Bianchi, Antonio (1997). "Comments on "The Ketamine Model of the Near-Death Experience: A Central Role for the N-Methyl-D-Aspartate Receptor"". Journal of Near-Death Studies. 16 (1): 71–78. doi:10.1023/A:1025067412205. ISSN 0891-4494.