Perspective distortion: Difference between revisions

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A '''perspective distortion''' can be described as subtle to extreme changes in how one perceives the size and distance attributed to a person’s 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="LSD_AIWS"/><ref name="LernerHPPD1">Lerner AG, Gelkopf M, Skladman I, Oyffe I, Finkel B, Sigal M, Weizman A. Flashback and hallucinogen persisting perception disorder: Clinical aspects and pharmacological treatment approach. Isr J Psychiatry Relat Sci 2002, 39: 92-99 https://www.ncbi.nlm.nih.gov/pubmed/12227234</ref><ref>. Lerner AG, Rudinski D, Goodman C.and Lev Ran S. Flashback and

This effect is capable of manifesting itself in 4 different ways which may reflect the failure of each respective responsible visual function.<ref name="LSD_AIWS"/><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>

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.

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 A '''perspective distortion''' can be described as subtle to extreme changes in how one perceives the size and distance attributed to a person’s 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="LSD_AIWS"/><ref name="LernerHPPD1">Lerner AG, Gelkopf M, Skladman I, Oyffe I, Finkel B, Sigal M, Weizman A. Flashback and hallucinogen persisting perception disorder: Clinical aspects and pharmacological treatment approach. Isr J Psychiatry Relat Sci 2002, 39: 92-99 https://www.ncbi.nlm.nih.gov/pubmed/12227234</ref><ref>. Lerner AG, Rudinski D, Goodman C.and Lev Ran S. Flashback and
+This effect is capable of manifesting itself in 4 different ways which may reflect the failure of each respective responsible visual function.<ref name="LSD_AIWS"/><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>
-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.