Compounds in some plants can have an overwhelming effect on the central nervous system. Plants containing those compounds are thus known as mind-altering (active) or psychoactive plants. Their effects may be separated into hallucinogenic, stimulating,...

Psychotropic drugs have revolutionized the treatment of mental illness, perhaps most profoundly in schizophrenia and depression. Psychotropic is a word derived from the Greek psyche, meaning the mind, and tropos, to turn or change. Psychotropic drugs...

Psychotropic drugs have revolutionized the treatment of mental illness, perhaps most profoundly in schizophrenia and depression. Psychotropic is a word derived from the Greek psyche, meaning "the mind," and tropos, to "turn or change." Psychotropic...

The term "psychoactive" describes a substance that affects the central nervous system (the brain and spinal cord), producing changes in a person's mental activity and/or behavior. Psychoactive drugs may affect the way an individual...

Any of a group of drugs (also called psychotropic drugs) that act upon the central nervous system, producing changes in mental activity and/or behavior. Psychoactive drugs are among the most widely used group of pharmacologically active agents, with...

The fifth of the Bst. Precepts (q.v.) is a vow to train oneself to avoid those intoxicants which tend to sloth, on the ground that as it is difficult enough at all times to remain ‘mindful and self-possessed’ it is foolish to make the task...

Psychoactive is a general term that came into use about 1961. It describes a substance that affects the central nervous system, producing changes in mental activity and/or behavior. A psychoactive substance or process may affect the way an individual...

A term, usually applied to a DRUG, indicating an ability change psychological processing or behaviour; HALLUCINOGENS, COCAINE, MARIJUANA and NICOTINE are examples of drugs that can be called psychoactive. Drugs that induce sedation, such as the OPIATES...

A rather old term, synonymous with...

A psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function, resulting in temporary changes in perception, mood, consciousness and behavior. These drugs may be...