Psychedelic drug

... Generally, drugs that act on the brain (hypnotics, alcohol, etc.) have the property of causing behavioral abnormalities even at sub-toxic doses, and are often accompanied by dizziness and trembling hands, but drugs that specifically cause mental abnormalities without causing confusion or disorientation to time or place are called psychotomimetic drugs. One type of these, psychedelic drugs, are commonly called hallucinogenic (inducing) drugs. A psychotomimetic experience refers to a state in which attention is directed to one's inner world, one feels that one's thinking ability and senses have been heightened, the boundary between oneself and others becomes unclear, and one feels one has merged with humanity or the universe. ...

*Some of the terminology that mentions "psychedelic drug" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…一般に脳に働く薬(催眠薬，アルコールなど)は中毒量以下でも行動異常を起こす性質をもっており，ふらつき，手の震えなどを伴うことが多いが，意識混濁とか，時間･場所などの見当づけが狂うことなしに特異的に精神異常を現す薬を精神異常発現薬psychotomimetic drugと呼ぶ。このなかの一種である精神展開薬psychedelic drugを俗に幻覚(発現)薬と称する。精神展開体験とは，自己内界に注意が向かい，思考力や感覚が高まったと感じ，自他の境が不明になり，人類ないし宇宙への合体感を意味する。…

※「psychedelic drug」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報