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Comparing triggers to visual disturbances among individuals with positive vs negative experiences of hallucinogen-persisting perception disorder (HPPD) following LSD use.

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Title: Comparing triggers to visual disturbances among individuals with positive vs negative experiences of hallucinogen-persisting perception disorder (HPPD) following LSD use.
Authors: Lev‐Ran, Shaul, Feingold, Daniel, Goodman, Craig, Lerner, Arturo G.
Source: American Journal on Addictions. Sep2017, Vol. 26 Issue 6, p568-571. 4p.
Subjects: Flashbacks (Memory), Illusion (Philosophy), LSD (Drug), Hallucinogenic drugs, Drug abuse, Psychology, Agnosia, Perceptual disorders, Questionnaires, Visual perception, Pharmacodynamics
Abstract: Background and Ojective: Exploring differences in visual disturbances and triggers between Hallucinogen-Persisting-Perceptual-Disorder (HPPD) Type I ("positive/benign") and II ("negative/distressing").Methods: Forty individuals with HPPD and prior LSD use completed clinical questionnaires.Results: The most common type of visual disturbances among individuals with HPPD I and II was slow movement of still objects and trailing phenomena, respectively. Those with HPPD I were more likely to report experiencing disturbances in dark environment, while looking at a still or moving object and during sexual intercourse.Discussion and Conclusions: HPPD I and II differ in terms of visual disturbances and triggers, possibly representing different phenomena existing on the same spectrum.Scientific Significance: Our study indicating differences in triggers to HPPD I and II adds to existing literature on differences in visual disturbances between the two subtypes. Further research elucidating additional differences between the subtypes of HPPD is needed. (Am J Addict 2017;26:568-571). [ABSTRACT FROM AUTHOR]
Copyright of American Journal on Addictions is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Comparing triggers to visual disturbances among individuals with positive vs negative experiences of hallucinogen-persisting perception disorder (HPPD) following LSD use.
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  Data: <searchLink fieldCode="AR" term="%22Lev‐Ran%2C+Shaul%22">Lev‐Ran, Shaul</searchLink><br /><searchLink fieldCode="AR" term="%22Feingold%2C+Daniel%22">Feingold, Daniel</searchLink><br /><searchLink fieldCode="AR" term="%22Goodman%2C+Craig%22">Goodman, Craig</searchLink><br /><searchLink fieldCode="AR" term="%22Lerner%2C+Arturo+G%2E%22">Lerner, Arturo G.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+on+Addictions%22">American Journal on Addictions</searchLink>. Sep2017, Vol. 26 Issue 6, p568-571. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Flashbacks+%28Memory%29%22">Flashbacks (Memory)</searchLink><br /><searchLink fieldCode="DE" term="%22Illusion+%28Philosophy%29%22">Illusion (Philosophy)</searchLink><br /><searchLink fieldCode="DE" term="%22LSD+%28Drug%29%22">LSD (Drug)</searchLink><br /><searchLink fieldCode="DE" term="%22Hallucinogenic+drugs%22">Hallucinogenic drugs</searchLink><br /><searchLink fieldCode="DE" term="%22Drug+abuse%22">Drug abuse</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology%22">Psychology</searchLink><br /><searchLink fieldCode="DE" term="%22Agnosia%22">Agnosia</searchLink><br /><searchLink fieldCode="DE" term="%22Perceptual+disorders%22">Perceptual disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+perception%22">Visual perception</searchLink><br /><searchLink fieldCode="DE" term="%22Pharmacodynamics%22">Pharmacodynamics</searchLink>
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  Data: <bold>Background and Ojective: </bold>Exploring differences in visual disturbances and triggers between Hallucinogen-Persisting-Perceptual-Disorder (HPPD) Type I ("positive/benign") and II ("negative/distressing").<bold>Methods: </bold>Forty individuals with HPPD and prior LSD use completed clinical questionnaires.<bold>Results: </bold>The most common type of visual disturbances among individuals with HPPD I and II was slow movement of still objects and trailing phenomena, respectively. Those with HPPD I were more likely to report experiencing disturbances in dark environment, while looking at a still or moving object and during sexual intercourse.<bold>Discussion and Conclusions: </bold>HPPD I and II differ in terms of visual disturbances and triggers, possibly representing different phenomena existing on the same spectrum.<bold>Scientific Significance: </bold>Our study indicating differences in triggers to HPPD I and II adds to existing literature on differences in visual disturbances between the two subtypes. Further research elucidating additional differences between the subtypes of HPPD is needed. (Am J Addict 2017;26:568-571). [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of American Journal on Addictions is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/ajad.12577
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        Text: English
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      – SubjectFull: Flashbacks (Memory)
        Type: general
      – SubjectFull: Illusion (Philosophy)
        Type: general
      – SubjectFull: LSD (Drug)
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      – SubjectFull: Hallucinogenic drugs
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      – SubjectFull: Psychology
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      – SubjectFull: Agnosia
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      – SubjectFull: Perceptual disorders
        Type: general
      – SubjectFull: Questionnaires
        Type: general
      – SubjectFull: Visual perception
        Type: general
      – SubjectFull: Pharmacodynamics
        Type: general
    Titles:
      – TitleFull: Comparing triggers to visual disturbances among individuals with positive vs negative experiences of hallucinogen-persisting perception disorder (HPPD) following LSD use.
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            NameFull: Lev‐Ran, Shaul
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            NameFull: Feingold, Daniel
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            NameFull: Goodman, Craig
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            NameFull: Lerner, Arturo G.
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              M: 09
              Text: Sep2017
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              Y: 2017
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