Psychedelic: Definition, Scientific Meaning, and Research Context

The term psychedelic refers to a class of psychoactive substances that produce profound changes in perception, mood, and cognitive processes. While widely associated with 1960s counterculture, its scientific meaning is rooted in neuroscience and pharmacology. Specifically, the word itself was coined in the 1950s from the Greek words psyche (ψυχή), meaning “mind” or “soul,” and […]