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Perspective distortion: Difference between revisions
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<onlyinclude>{{#ev:gfycat|https://zippy.gfycat.com/AdorableAggravatingGalago.webm|300x300|right|'''Size distortions''' by '''[[Anonymous]]''' - This image serves as an accurate portrayal of the commonly experienced effect known as [[perspective distortions]].|frame}} | <onlyinclude>{{#ev:gfycat|https://zippy.gfycat.com/AdorableAggravatingGalago.webm|300x300|right|'''Size distortions''' by '''[[Anonymous]]''' - This image serves as an accurate portrayal of the commonly experienced effect known as [[perspective distortions]].|frame}} | ||
A '''perspective distortion''' is a subtle to extreme change in how a person perceives the size and distance attributed their body, to specific parts of the external environment, or to the external environment as a whole.<ref name="LSD_AIWS">Lev-Ran, S. (2015). LSD-associated" Alice in Wonderland Syndrome"(AIWS): A Hallucinogen Persisting Perception Disorder (HPPD) Case Report. The Israel journal of psychiatry and related sciences, 52(1), 67-68. https://www.ncbi.nlm.nih.gov/pubmed/25841113</ref> | A '''perspective distortion''' is defined as a subtle to extreme change in how a person perceives the size and distance attributed their body, to specific parts of the external environment, or to the external environment as a whole.<ref name="LSD_AIWS">Lev-Ran, S. (2015). LSD-associated" Alice in Wonderland Syndrome"(AIWS): A Hallucinogen Persisting Perception Disorder (HPPD) Case Report. The Israel journal of psychiatry and related sciences, 52(1), 67-68. https://www.ncbi.nlm.nih.gov/pubmed/25841113</ref> | ||
This effect is capable of manifesting itself in 4 different ways which may reflect the failure of each respective responsible visual function.<ref name="Schneck1965">{{cite journal|last1=Schneck|first1=Jerome M.|title=MACROPSIA|journal=American Journal of Psychiatry|volume=121|issue=11|year=1965|pages=1123–1124|issn=0002-953X|doi=10.1176/ajp.121.11.1123}}</ref> | This effect is capable of manifesting itself in 4 different ways which may reflect the failure of each respective responsible visual function.<ref name="Schneck1965">{{cite journal|last1=Schneck|first1=Jerome M.|title=MACROPSIA|journal=American Journal of Psychiatry|volume=121|issue=11|year=1965|pages=1123–1124|issn=0002-953X|doi=10.1176/ajp.121.11.1123}}</ref> | ||
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====Alice in Wonderland Syndrome==== | ====Alice in Wonderland Syndrome==== | ||
[[File:Alice_par_John_Tenniel_11.png|thumbnail|300px|'''Alice''' by '''[https://en.wikipedia.org/wiki/Lewis_Carroll Lewis Caroll]''' - This illustration depicts a scene from Alice in Wonderland in which she has grown in size. It is an accurate representation of how it often feels to experience this effect.]] | [[File:Alice_par_John_Tenniel_11.png|thumbnail|300px|'''Alice''' by '''[https://en.wikipedia.org/wiki/Lewis_Carroll Lewis Caroll]''' - This illustration depicts a scene from Alice in Wonderland in which she has grown in size. It is an accurate representation of how it often feels to experience this effect.]] | ||
Feelings of suddenly having an impossibly giant or tiny body are also a very common manifestation of this effect. This feeling is already known by the scientific literature as “[http://en.wikipedia.org/wiki/Alice_in_Wonderland_syndrome Alice in Wonderland Syndrome]”, where it is seen as a temporary condition often associated with migraines, brain tumours, and the use of psychoactive drugs.<ref name="LSD_AIWS"/><ref name="Blom2016">{{cite journal|last1=Blom|first1=Jan Dirk|title=Alice in Wonderland syndrome|journal=Neurology: Clinical Practice|volume=6|issue=3|year=2016|pages=259–270|issn=2163-0402|doi=10.1212/CPJ.0000000000000251}}</ref> The effect can either be attributed to the body as a whole or specific parts of it. For example, feelings of having a huge head or tiny limbs are possible.</onlyinclude> | Feelings of suddenly having an impossibly giant or tiny body are also a very common manifestation of this effect. This feeling is already known by the scientific literature as “[http://en.wikipedia.org/wiki/Alice_in_Wonderland_syndrome Alice in Wonderland Syndrome]”, where it is seen as a temporary condition often associated with migraines, brain tumours, and the use of psychoactive drugs.<ref name="LSD_AIWS" /><ref name="Blom2016">{{cite journal|last1=Blom|first1=Jan Dirk|title=Alice in Wonderland syndrome|journal=Neurology: Clinical Practice|volume=6|issue=3|year=2016|pages=259–270|issn=2163-0402|doi=10.1212/CPJ.0000000000000251}}</ref> The effect can either be attributed to the body as a whole or specific parts of it. For example, feelings of having a huge head or tiny limbs are possible.</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: | ||
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*[https://en.wikipedia.org/wiki/Teleopsia Teleopsia (Wikipedia)] | *[https://en.wikipedia.org/wiki/Teleopsia Teleopsia (Wikipedia)] | ||
===References=== | ===References=== | ||
<references/> | <references /> | ||
[[Category:Sensory]] [[Category:Distortion]] [[Category:Visual]] [[Category:Effect]] | [[Category:Sensory]] | ||
[[Category:Distortion]] | |||
[[Category:Visual]] | |||
[[Category:Effect]] | |||