Psychoactive Drugs

Altered States of Consciousness

What are psychoactive drugs?

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.

Some more definitions:

Stimulants: a substance that raises levels of psychological or nervous activity in the body

Depressants: a drug that depresses and tranquilizes body and slows brain activity
Opiates: a drug with morphine-like affects, derived from opium. Induces sleep and relieves pain


Definition- a chronic, relapsing brain disease that is characterized compulsive drunk-seeking use


definition- when a person needs a drug to function normally

Other facts

-LSD is not addictive, but does create tolerance

-Mexico used to have an indigenous Mazatec mushroom ceremony in Mexico

-a mushroom growing ring in Ohio has a street value of over $800,000