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Related Concept Videos

Hallucinogens and Psychedelics01:27

Hallucinogens and Psychedelics

Hallucinogens are psychoactive substances that profoundly alter perceptual experiences, generating unreal visual and sensory images. Often referred to as psychedelic drugs — a term derived from the Greek words "psyche" (mind) and "delos" (revealing) — these substances include marijuana and lysergic acid diethylamide (LSD), among others. These drugs vary in intensity and effects.
Marijuana, derived from the dried leaves and flowers of the hemp plant, contains delta-9-tetrahydrocannabinol (THC)...
CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
Altered States of Awareness01:06

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Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain that...
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

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Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
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Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
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[Hallucinogen-induced psychological disorders].

L Hermle1, K-A Kovar, W Hewer

  • 1Klinik für Psychiatrie und Psychotherapie Christophsbad, Göppingen. leo.hermle@christophsbad.de

Fortschritte Der Neurologie-Psychiatrie
|May 31, 2008
PubMed
Summary
This summary is machine-generated.

Hallucinogen use in adolescents can lead to psychiatric disorders, though acute psychosis is rare. Understanding intoxications and complications from substances like LSD and psilocybin is crucial for medical intervention.

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Area of Science:

  • Psychiatry
  • Toxicology
  • Adolescent Medicine

Background:

  • Adolescents and young adults are increasingly using biological hallucinogens like LSD and psilocybin.
  • Hallucinogen use is associated with potential psychiatric disorders, necessitating a review of current research.

Purpose of the Study:

  • To provide an overview of current research on hallucinogen-induced psychiatric disorders.
  • To highlight the clinical importance of understanding intoxications and complications from hallucinogens, particularly in emergency situations.

Main Methods:

  • A computerized MEDLINE search was conducted for literature from 1997-2007.
  • Keywords included "hallucinogen induced psychosis," "hallucinogen induced flashback," and "hallucinogen persisting perception disorder (HPPD)."
  • 64 relevant articles and books were included in the review.

Main Results:

  • Acute psychotic syndromes in adolescents are infrequently caused by hallucinogen intoxication.
  • The clinical significance of flashback phenomena as a post-hallucinogenic psychiatric disorder remains debatable.
  • Intoxications with herbal hallucinogens, such as tropane alkaloids, are significant in emergency settings.

Conclusions:

  • Knowledge of hallucinogen intoxications, psychiatric disorders, medical complications, and treatment is clinically important due to the popularity of these substances.
  • While acute psychosis is rare, the potential for psychiatric sequelae warrants continued attention and research.
  • Emergency medical care must be prepared for complications arising from herbal hallucinogen use.