Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Drugs that distort perception and evoke sensory images in the absence of sensory input; also known as psychedelic drugs.
Related terms
LSD: A powerful hallucinogenic drug; also known as acid.
Psilocybin: A naturally occurring psychedelic compound produced by more than 200 species of mushrooms, commonly known as magic mushrooms.
Mescaline: A naturally occurring psychedelic alkaloid of the phenethylamine class, known for its hallucinogenic effects similar to those of LSD and psilocybin.