Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Hallucinogen persisting perception disorder after psilocybin consumption: a case study.

Marie-Laure Espiard1, Laurent Lecardeur, Pascale Abadie

  • 1Centre Esquirol, Centre Hospitalier Universitaire de Caen, 14033 Caen cedex, France.

European Psychiatry : the Journal of the Association of European Psychiatrists
|June 21, 2005
PubMed
Summary

Hallucinogen Persisting Perception Disorder (HPPD) can cause distressing, long-lasting visual disturbances after hallucinogen use. This case highlights persistent HPPD symptoms for over 8 months following combined psilocybin and cannabis intoxication.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Care Pathway for Early Intervention in Psychiatry: A Community Mental Healthcare Initiative to Overcome the Treatment Gap in Hauts-de-Seine, France.

Early intervention in psychiatry·2026
Same author

Does neurodevelopmental load predict cognitive flexibility?

Schizophrenia research. Cognition·2026
Same author

Association of Depressive and Negative Symptoms with Quality of Life in Schizophrenia: A Cross-Sectional Inpatient Study.

Journal of clinical medicine·2026
Same author

[Organic causes of first episode psychosis: Review of the literature].

L'Encephale·2026
Same author

Systematic Review of Self-Assessment Scales for Specific Negative Symptom Domains in Psychotic Disorders.

Schizophrenia bulletin·2026
Same author

Rethinking Schizophrenia: Optimizing Care Pathways in Europe from the First Episode of Psychosis to Long-Term Care.

European psychiatry : the journal of the Association of European Psychiatrists·2026

Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Hallucinogen Persisting Perception Disorder (HPPD) is a recognized condition characterized by persistent perceptual disturbances after hallucinogen use.
  • DSM-IV criteria acknowledge HPPD, with symptoms potentially lasting years and causing significant psychosocial distress.

Observation:

  • A case report details an 18-year-old male experiencing HPPD after mixed psilocybin and cannabis intoxication.
  • The patient exhibited recurrent symptomatic recurrences persisting for over 8 months.

Findings:

  • The case illustrates a prolonged duration of HPPD symptoms, exceeding typical reported timelines.
  • Differential diagnoses were considered, and therapeutic strategies were employed and documented.

Related Experiment Videos

Implications:

  • This case underscores the potential for prolonged and severe HPPD, even after mixed substance use.
  • Further research into the neurobiological underpinnings and effective therapeutic interventions for HPPD is warranted.