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Related Concept Videos

Hallucinogens and Psychedelics01:27

Hallucinogens and Psychedelics

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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.
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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.
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CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

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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...
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Psychoactive drugs impact brain function, influencing perception, mood, consciousness, cognition, and behavior. These substances are grouped based on their effects and the mechanisms by which they act.
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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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Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
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Belief changes associated with psychedelic use.

Sandeep M Nayak1, Manvir Singh2, David B Yaden1

  • 1Department of Psychiatry and Behavioral Sciences, Center for Psychedelic and Consciousness Research, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Journal of Psychopharmacology (Oxford, England)
|November 1, 2022
PubMed
Summary
This summary is machine-generated.

Psychedelic experiences significantly altered beliefs in areas like spirituality and consciousness, with changes persisting long-term. Mystical experiences correlated with greater belief shifts, impacting views on reality, purpose, and the afterlife.

Keywords:
5-HT2A receptor agonistPsychedelicsbeliefs

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Area of Science:

  • Neuroscience
  • Psychology
  • Religious Studies

Background:

  • Psychedelic use is anecdotally linked to profound belief changes.
  • Empirical research on psychedelic-induced belief alterations remains limited.

Purpose of the Study:

  • To systematically characterize the range of belief changes following psychedelic experiences.
  • To investigate the relationship between mystical experience intensity and belief alteration.

Main Methods:

  • A large-scale survey of 2374 individuals reporting belief-changing psychedelic experiences.
  • Participants rated agreement with 45 belief statements before, after, and at the time of survey administration.
  • Factor analysis identified key belief domains: Dualism, Paranormal/Spirituality, Non-mammal Consciousness, Mammal Consciousness, and Superstition.

Main Results:

  • Significant increases in beliefs related to Dualism, Paranormal/Spirituality, Non-mammal Consciousness, and Mammal Consciousness were observed.
  • Beliefs in reincarnation, communication with the dead, and post-death consciousness increased substantially.
  • The percentage of participants identifying as believers rose from 29% to 59% post-experience.
  • Belief changes were largely stable when assessed years after the initial psychedelic experience.

Conclusions:

  • A single psychedelic experience can induce widespread non-physicalist beliefs and alter perceptions of consciousness, meaning, and purpose.
  • The intensity of the mystical experience is a key factor influencing the magnitude of belief change.
  • These findings highlight the potential of psychedelics to reshape fundamental worldviews.