The neverending trip: Associations between Hallucinogen Persisting Perception Disorder (HPPD) and non-visual perceptual disturbances
Journal of Psychedelic Studies September 8, 2025 Anneliese McConnell, Wei He, Harry McConnell et al.
Abstract Objective Hallucinogen Persistent Perception Disorder (HPPD) is a condition where the effects of hallucinogenic drugs reoccur long after the acute effects have stopped. No established risk factors or mechanisms for HPPD have been identified. However, reports have suggested a risk phenotype for HPPD due to associations with other perceptual disturbances. With recent increases in...