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Perspective distortion: Difference between revisions
>David Hedlund m minor |
>David Hedlund Linked [macropsia]], micropsia, pelopsia, teleopsia, altered perception of shape |
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* Size distortions: | * Size distortions: | ||
**'''[[Macropsia]]''' - Objects are perceived larger than their actual size.<ref>Macropsia (medical dictionary) | https://medical-dictionary.thefreedictionary.com/macropsia</ref> | **'''[[Macropsia]]''' - Objects are perceived larger than their actual size.<ref>Macropsia (medical dictionary) | https://medical-dictionary.thefreedictionary.com/macropsia</ref> | ||
**'''Micropsia''' - Objects are perceived smaller than their actual size.<ref>Micropsia (medical dictionary) https://medical-dictionary.thefreedictionary.com/micropsia</ref> | **'''[[Micropsia]]''' - Objects are perceived smaller than their actual size.<ref>Micropsia (medical dictionary) https://medical-dictionary.thefreedictionary.com/micropsia</ref> | ||
**'''Pelopsia''' - Objects are perceived nearer than they actually are.<ref>Pelopsia (medical dictionary) | http://medical-dictionary.thefreedictionary.com/pelopsia</ref> | **'''[[Pelopsia]]''' - Objects are perceived nearer than they actually are.<ref>Pelopsia (medical dictionary) | http://medical-dictionary.thefreedictionary.com/pelopsia</ref> | ||
**'''Teleopsia''' - Objects are perceived much further away than they actually are.<ref>Telopsia (medical dictionary) | https://medical-dictionary.thefreedictionary.com/teleopsia</ref> | **'''[[Teleopsia]]''' - Objects are perceived much further away than they actually are.<ref>Telopsia (medical dictionary) | https://medical-dictionary.thefreedictionary.com/teleopsia</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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====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.]] | ||
Alice in Wonderland Syndrome (AIWS) is characterized by macropsia, micropsia, pelopsia, teleopsia, altered perception of shape (meta-morphopsia), and [[time distortion]].<ref name="pmid=10767914">{{cite journal |last1=Cau |first1=C |title=[The Alice in Wonderland syndrome]. |journal=Minerva medica |date=October 1999 |volume=90 |issue=10 |pages=397-401 |pmid=10767914}}</ref> | Alice in Wonderland Syndrome (AIWS) is characterized by [[macropsia]], [[micropsia]], [[pelopsia]], [[teleopsia]], [[altered perception of shape]] (meta-morphopsia), and [[time distortion]].<ref name="pmid=10767914">{{cite journal |last1=Cau |first1=C |title=[The Alice in Wonderland syndrome]. |journal=Minerva medica |date=October 1999 |volume=90 |issue=10 |pages=397-401 |pmid=10767914}}</ref> | ||
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> | ||