The term psychedelic is derived from the Greek words ψυχή (psyche, "soul") and δηλοῦν (deloun, "to manifest"), translating to "mind-manifesting". A psychedelic experience is characterized by the perception of aspects of one's mind previously unknown, or by the creative exuberance of the mind liberated from its ostensibly ordinary fetters. Psychedelic states are an array of experiences elicited by various techniques, including sensory stimulation, sensory deprivation as well as by psychedelic substances. Such experiences include hallucinations, changes of perception, synesthesia, altered states of awareness, mystical states, and occasionally states resembling psychosis.
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Etymology
The term was first coined as a noun in 1957 by psychiatrist Humphry Osmond as an alternative descriptor for hallucinogenic drugs in the context of psychedelic psychotherapy.[1] Seeking a name for the experience induced by LSD, Osmond contacted Aldous Huxley, a personal acquaintance and advocate for the therapeutic use of the substance. Huxley coined the term "phanerothyme," from the Greek terms for "to show" and "spirit." In a letter to Osmond, he wrote:
To make this mundane world sublime,
Take half a gram of phanerothyme
To which Osmond responded:
To fathom Hell or soar angelic,
Just take a pinch of psychedelic[2]
It was on this term that Osmond eventually settled, because it was "clear, euphonious and uncontaminated by other associations."[3]
History
Timothy Leary was a well-known proponent of the use of psychedelics, as was Aldous Huxley. However, both advanced widely different opinions on the broad use of psychedelics by state and civil society. Leary promulgated the idea of such substances as a panacea, while Huxley suggested that only the cultural and intellectual elite should partake of entheogens systematically.
The use of psychedelic drugs became widespread in the modern West in the mid-1960s.
Modern usage
The impact of psychedelic drugs on western culture in the 1960s led to semantic drift in the use of the word "psychedelic", and it is now frequently used to describe anything with abstract decoration of multiple bright colours, similar to those seen in drug-induced hallucinations. In objection to this new meaning, and to what some consider pejorative meanings of other synonyms such as "hallucinogen" and "psychotomimetic", the term "entheogen" was proposed and is seeing increasing use. However, many consider the term "entheogen" best reserved for religious and spiritual usage, such as certain Native American churches do with the peyote sacrament, and "psychedelic" left to describe those who are using these drugs for recreation, psychotherapy, physical healing, or creative problem solving. In science, hallucinogen remains the standard term.[4]
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