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  2. Hallucinogen - Wikipedia

    en.wikipedia.org/wiki/Hallucinogen

    Nonetheless, while the term hallucinogen is often used to refer to the broad class of drugs covered in this article, sometimes it is used to mean only classical hallucinogens (that is, psychedelics). [8] Because of this, it is important to consult the definition given in a particular source. [8]

  3. Alcoholic hallucinosis - Wikipedia

    en.wikipedia.org/wiki/Alcoholic_hallucinosis

    Long-term alcohol abuse can create a deficiency of thiamine, magnesium, zinc, folate, and phosphate as well as cause low blood sugar. [10] However, several drugs have been shown to stop the hallucinations. Neuroleptics and benzodiazepines showed normalization. Common benzodiazepines include chlordiazepoxide and lorazepam.

  4. Psychedelic drug - Wikipedia

    en.wikipedia.org/wiki/Psychedelic_drug

    [78] [81] There is a very strong correlation between 5-HT 2A receptor affinity and human hallucinogenic potency. [78] In addition, the intensity of hallucinogenic effects in humans is directly correlated with the level of serotonin 5-HT 2A receptor occupancy as measured with positron emission tomography (PET) imaging.

  5. LSD - Wikipedia

    en.wikipedia.org/wiki/LSD

    The agonism of the D 2 receptor by LSD may contribute to its psychoactive effects in humans. [117] LSD binds to most serotonin receptor subtypes except for the 5-HT 3 and 5-HT 4 receptors. However, most of these receptors are affected at too low affinity to be sufficiently activated by the brain concentration of approximately 10–20 nM. [24]

  6. Psychoactive drug - Wikipedia

    en.wikipedia.org/wiki/Psychoactive_drug

    Timothy Leary was a leading proponent of spiritual hallucinogen use. Certain psychoactives, particularly hallucinogens, have been used for religious purposes since prehistoric times. Native Americans have used peyote cacti containing mescaline for religious ceremonies for as long as 5700 years. [54]

  7. Stimulant psychosis - Wikipedia

    en.wikipedia.org/wiki/Stimulant_psychosis

    [3] [4] [5] Methamphetamine psychosis, or long-term effects of stimulant use in the brain (at the molecular level), depend upon genetics and may persist for months or years. [6] Psychosis may also result from withdrawal from stimulants, particularly when psychotic symptoms were present during use. [7]

  8. Substance-induced psychosis - Wikipedia

    en.wikipedia.org/wiki/Substance-induced_psychosis

    Malcolm Lader at the Institute of Psychiatry in London estimates the incidence of these adverse reactions at about 5%, even in short-term use of the drugs. [23] The paradoxical reactions may consist of depression , with or without suicidal tendencies , phobias , aggressiveness, violent behavior and symptoms sometimes misdiagnosed as psychosis .

  9. Psilocybin - Wikipedia

    en.wikipedia.org/wiki/Psilocybin

    In the 1990s, hallucinogens and their effects on human consciousness were again the subject of scientific study, particularly in Europe. Advances in neuropharmacology and neuropsychology and the availability of brain imaging techniques have provided impetus for using drugs like psilocybin to probe the "neural underpinnings of psychotic symptom ...