Hallucinogen Persisting Perceptual Disorder (HPPD)
Sometimes called 'Flashbacks'
GENERAL INFORMATION #
Long-Term Perceptual Disorder (overview of HPPD and flashbacks) by E. Jonathan Arnett
Visual Phenomenology of the LSD Flashback by Henry D. Abraham, MD
Flashbacks: Recurrent Intrusive Images After the Use of LSD by Mardi Horowitz, MD
A Hypothesis of the Mechanisms Underlying Visual Distortions Caused by Psychedelic Drugs (Berkeley term paper)
RESEARCH & JOURNAL ARTICLES #
Abnormal visual experiences in individuals with histories of hallucinogen use. Drug Alcohol Depend. 2011 Mar 14;114(1):61-7.
"Trailing" phenomenon - A Long-Lasting LSD Side Effect by Harvey Asher, MD
ASK EROWID ANSWERS #
EXPERIENCES #
29 Years of Flashbacks From Bad Trip, by Bob from the UK
The Depths of Brain Damage, by Crystal
Not What I Was Expecting, by Kina
Manifestation Within Itself, by aconsumingvoid
Submit a Report to our Experience Vaults
RELATED VAULTS #
OFF-SITE RESOURCES
SECONDARY RESOURCES #
Post-LSD Hallucinosis is associated with decrease in flicker-fusion sensitivities. by Vo Van Toi, H. Abraham, & N. Bursac
Center for Psychological and Spiritual Health
(Note: this resource includes useful information
but is not specifically drug-related)
(Note: this resource includes useful information
but is not specifically drug-related)
RESEARCH & JOURNAL ARTICLES #
5-MeO-DIPT-Related HPPD Case Report, Mar 2005, AJP
MEDIA COVERAGE #
A Trip that Doesn't End - The New Yorker, May 17 2013