HPPD FAQ
Ask Erowid: "I think I have HPPD..."
Long-Term Perceptual Disorder (overview of HPPD and flashbacks) by E. Jonathan Arnett


HPPD-Related Journal Articles & References
Visual Phenomenology of the LSD Flashback by Henry D. Abraham, MD
Flashbacks: Recurrent Intrusive Images After the Use of LSD by Mardi Horowitz, MD
"Trailing" phenomenon – A Long-Lasting LSD Side Effect by Harvey Asher, MD
Post-LSD Hallucinosis is associated with decrease in flicker-fusion sensitivities. by Vo Van Toi, H. Abraham, & N. Bursac
A Hypothesis of the Mechanisms Underlying Visual Distortions Caused by Psychedelic Drugs (Berkeley term paper)


HPPD and GBL, by Kopentac
HPPD and MDMA, by Anonymous
HPPD is Real, by Something to Kick
Long Term Changes from LSD, by Zbt.
Permanently Altered Vision, by Barnes
» » »   MORE   » » »


Visuals Vault

OFFSITE HPPD RESOURCES

HPPD Online
Stormloader HPPD Site (last updated Jul 2002)


PHPD thread on MAPS Forum
Center for Psychological and Spiritual Health
(Note: this resource includes useful information
but is not specifically drug-related)


HPPD: What do we know after 50 years?
5-MeO-DIPT-Related HPPD Case Report, Mar 2005, AJP