Perspective distortion: Difference between revisions

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HPPD: LSD flashbacks – The appearance of new visual imagery not experienced during initial intoxication: Two case reports. Isr J Psychiatry Relat Sci 2014; 51:307-309. https://www.ncbi.nlm.nih.gov/pubmed/25841230</ref><ref name="JapMacroMicro">Abe K, Oda N, Araki R, Igata M. Macropsia, micropsia, and episodic illusions in Japanese adolescents. J Am Acad Child Adolesc Psychiatry 1989; 28:493-496. https://doi.org/10.1097/00004583-198907000-00004</ref><ref name="Schneck">Schneck JM. Macropsia. Am J Psychiatry 1965; 121:1123-1124. https://doi.org/10.1176/ajp.121.11.1123</ref>

#'''Macropsia''' Objects are perceived larger than their actual size.

*'''Macropsia''' - Objects are perceived larger than their actual size.

#'''Micropsia''' Objects are perceived smaller than their actual size.

*'''Micropsia''' - Objects are perceived smaller than their actual size.

#'''Pelopsia''' Objects are perceived nearer than they actually are.

*'''Pelopsia''' - Objects are perceived nearer than they actually are.

#'''Teleopsia''' Objects are perceived much further away than they actually are.

*'''Teleopsia''' - Objects are perceived much further away than they actually are.

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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 HPPD: LSD flashbacks – The appearance of new visual imagery not experienced during initial intoxication: Two case reports. Isr J Psychiatry Relat Sci 2014; 51:307-309. https://www.ncbi.nlm.nih.gov/pubmed/25841230</ref><ref name="JapMacroMicro">Abe K, Oda N, Araki R, Igata M. Macropsia, micropsia, and episodic illusions in Japanese adolescents. J Am Acad Child Adolesc Psychiatry 1989; 28:493-496. https://doi.org/10.1097/00004583-198907000-00004</ref><ref name="Schneck">Schneck JM. Macropsia. Am J Psychiatry 1965; 121:1123-1124. https://doi.org/10.1176/ajp.121.11.1123</ref>
-#'''Macropsia''' Objects are perceived larger than their actual size.
+*'''Macropsia''' - Objects are perceived larger than their actual size.
-#'''Micropsia''' Objects are perceived smaller than their actual size.
+*'''Micropsia''' - Objects are perceived smaller than their actual size.
-#'''Pelopsia''' Objects are perceived nearer than they actually are.
+*'''Pelopsia''' - Objects are perceived nearer than they actually are.
-#'''Teleopsia''' Objects are perceived much further away than they actually are.
+*'''Teleopsia''' - Objects are perceived much further away than they actually are.
 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.