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...

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...