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Perspective distortion: Difference between revisions
>David Hedlund Linked [macropsia]], micropsia, pelopsia, teleopsia, altered perception of shape |
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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 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. | 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">{{cite journal | vauthors=((G Lerner, A.)), ((Lev-Ran, S.)) | journal=The Israel Journal of Psychiatry and Related Sciences | title=LSD-associated “Alice in Wonderland Syndrome”(AIWS): A Hallucinogen Persisting Perception Disorder (HPPD) Case Report | volume=52 | issue=1 | pages=67–68 | date= 2015 | issn=2617-2402}}</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> | ||
* Size distortions: | * Size distortions: | ||
**'''[[Macropsia]]''' - Objects are perceived larger than their actual size.<ref> | **'''[[Macropsia]]''' - Objects are perceived larger than their actual size.<ref>{{cite journal|title=macropsia|journal=APA Dictionary of Psychology|url=https://dictionary.apa.org/macropsia | access-date=20 May 2022}}</ref> | ||
**'''[[Micropsia]]''' - Objects are perceived smaller than their actual size.<ref> | **'''[[Micropsia]]''' - Objects are perceived smaller than their actual size.<ref>{{cite journal|title=micropsia|journal=APA Dictionary of Psychology|url=https://dictionary.apa.org/micropsia | access-date=20 May 2022}}</ref> | ||
**'''[[Pelopsia]]''' - Objects are perceived nearer than they actually are.<ref> | **'''[[Pelopsia]]''' - Objects are perceived nearer than they actually are.<ref>{{cite journal|title=pelopsia|journal=Medical Dictionary|url=https://medical-dictionary.thefreedictionary.com/pelopsia | access-date=20 May 2022}}</ref> | ||
**'''[[Teleopsia]]''' - Objects are perceived much further away than they actually are.<ref> | **'''[[Teleopsia]]''' - Objects are perceived much further away than they actually are.<ref>{{cite journal|title=teleopsia|journal=APA Dictionary of Psychology|url=https://dictionary.apa.org/teleopsia | access-date=20 May 2022}}</ref> | ||
When affecting distance, perspective distortions can make things seem as if they are physically closer or further away than they usually would be. This can range from a subtle experience, such as the other side of the room feeling marginally further away than it usually would be, to an extreme experience, such as feeling as if the horizon is right in front of you. | When affecting distance, perspective distortions can make things seem as if they are physically closer or further away than they usually would be. This can range from a subtle experience, such as the other side of the room feeling marginally further away than it usually would be, to an extreme experience, such as feeling as if the horizon is right in front of you. | ||
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====Lilliputian hallucinations==== | ====Lilliputian hallucinations==== | ||
Lilliputian hallucinations, also known as microptic or diminutive hallucinations, are a form of [[autonomous entity]] characterized by their small size.<ref | Lilliputian hallucinations, also known as microptic or diminutive hallucinations, are a form of [[autonomous entity]] characterized by their small size.<ref>{{cite journal | vauthors=((Blom, J. D.)) | journal=Neuroscience & Biobehavioral Reviews | title=Leroy’s elusive little people: A systematic review on lilliputian hallucinations | volume=125 | pages=627–636 | date= June 2021 | url=https://linkinghub.elsevier.com/retrieve/pii/S0149763421001068 | issn=01497634 | doi=10.1016/j.neubiorev.2021.03.002}}</ref> They are occasionally accompanied by enormous beings of a similar sort, also known as gulliverian or brobdingnagian hallucinations. | ||
===Psychoactive substances=== | ===Psychoactive substances=== | ||
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[[Category:Visual]] | [[Category:Visual]] | ||
[[Category:Effect]] | [[Category:Effect]] | ||
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