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  2. Hallucinogen - Wikipedia

    en.wikipedia.org/wiki/Hallucinogen

    LSD, mescaline, and psilocybin cause their effects by initially disrupting the interaction of nerve cells and the neurotransmitter serotonin. [71] It is distributed throughout the brain and spinal cord, where the serotonin system is involved with controlling of the behavioral, perceptual, and regulatory systems.

  3. Hallucinogen persisting perception disorder - Wikipedia

    en.wikipedia.org/wiki/Hallucinogen_persisting...

    Hallucinogen persisting perception disorder (HPPD) is a non-psychotic disorder in which a person experiences apparent lasting or persistent visual hallucinations or perceptual distortions after using drugs, [1] including but not limited to psychedelics, dissociatives, entactogens, tetrahydrocannabinol (THC), and SSRIs.

  4. Deliriant - Wikipedia

    en.wikipedia.org/wiki/Deliriant

    The toxic berry of Atropa belladonna which contains the tropane deliriants scopolamine, atropine, and hyoscyamine.. Deliriants are a subclass of hallucinogen.The term was coined in the early 1980s to distinguish these drugs from psychedelics such as LSD and dissociatives such as ketamine, due to their primary effect of causing delirium, as opposed to the more lucid (i.e. rational thought is ...

  5. Psychedelic drug - Wikipedia

    en.wikipedia.org/wiki/Psychedelic_drug

    The serotonin 5-HT 1A receptor partial agonist buspirone has been found to markedly reduce the hallucinogenic effects of psilocybin in humans. [149] [153] [154] Conversely, the serotonin 5-HT 1A receptor antagonist pindolol has been found to potentiate the hallucinogenic effects of DMT by 2- to 3-fold in humans.

  6. This is what's going on in the brain during an LSD ... - AOL

    www.aol.com/news/2016-04-12-this-is-whats-going...

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  7. Psychopharmacology - Wikipedia

    en.wikipedia.org/wiki/Psychopharmacology

    The current research implies that many of the effects that can be observed occur in the occipital lobe and the frontomedial cortex; however, they also present many secondary global effects in the brain that have not yet been connected to the substance's biochemical mechanism of action.

  8. Mescaline - Wikipedia

    en.wikipedia.org/wiki/Mescaline

    Mescaline, also known as mescalin or mezcalin, [8] and in chemical terms 3,4,5-trimethoxyphenethylamine, is a naturally occurring psychedelic protoalkaloid of the substituted phenethylamine class, known for its hallucinogenic effects comparable to those of LSD and psilocybin.

  9. 5-HT2A receptor - Wikipedia

    en.wikipedia.org/wiki/5-HT2A_receptor

    One effect of 5-HT 2A receptor activation is a reduction in intraocular pressure, and so 5-HT 2A agonists can be useful for the treatment of glaucoma. This has led to the development of compounds such as AL-34662 that are hoped to reduce pressure inside the eyes but without crossing the blood–brain barrier and producing hallucinogenic side ...