Hallucinogenic Persisting Perception Disorder: A Case Series and Review of the Literature
Frontiers in Neurology May 6, 2022 Hannah Ford, Clare L. Fraser, Emma J. Solly et al. 28 citations
Background Hallucinogen persisting perception disorder (HPPD) is characterized by the re-emergence of perceptual symptoms experienced during acute hallucinogen intoxication following drug cessation. The underlying pathophysiology is poorly understood. We report the clinical characteristics and investigation findings of a series of HPPD cases with a literature review of previous case reports. We...