In this episode of the podcast, Joe Moore interviews Ed Prideaux: UK-based writer and journalist working to raise awareness around Hallucinogen Persisting Perception Disorder (HPPD) in affiliation with the Perception Restoration Foundation. While HPPD is known in the psychedelic community, it’s not talked about or researched enough, and often considered by many as fake, flashbacks, or a trauma reactivation. Prideaux likes to call HPPD “post-drug perceptual changes,” and talks about how it came about in his life and how it affects him; what visual snow syndrome and other common HPPD visuals look like; neurodiversity and looking at things from a “critical psychiatry” lens; how he thinks HPPD relates to anxiety and distress from depersonalization effects and isolation; and how so much of the lack of knowledge and progress around HPPD is a direct result of the drug war. Does HPPD happen more when the experience happens in youth? Are there dormancy effects? Is cannabis a larger trigger than people think? Is the biggest trigger being overwhelmed by a larger-than-expected dose? Is LSD the most commonly reported culprit due to how long the trip is? Could entering into more non-ordinary states of consciousness actually be the solution? The Perception Restoration Foundation is working on a study in Macquarie University in Australia looking at neuroimaging of people with HPPD, they just released an HPPD information guide in collaboration with MAPS, and they are working to finalize and release a documentary called “HPPD: Stuck in an Altered World.”
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