Psychology-Psychoactive drugs

Dependence

A state of physiological or psychological need to take more of a drug after continued use

Psychoactive drug

Chemicals substances that alter mood, behavior, and perception

Withdrawal

Discomfort and distress that follow when a person who is dependent on a drug discontinues the use of that drug

Stimulants

Drugs (such as caffeine, nicotine, and there more powerful amphetamines and cocaine) that excite neural activity and speed up body functions

Depressants

Drugs that reduce neural activity and slow body functions

Amphetamine

Drugs that stimulate neural activity, speeding up body functions

Ecstasy

Hallucinogenic stimulant produces lowered inhibitions, pleasant feelings, and greater acceptance of others

Caffeine

Is the stimulant found in coffee, tea, cocoa, and cola.

Marijuana

Leaves, stems, resin, and flowers from the hemp plant

LSD

Powerful hallucinogenic drug; also known as acid

Hallucinogens

Psychoactive drug that distort perception, and evoke sensory images in the absence of sensory input

Tolerance

Reduced responsiveness to a drug, prompting the user to take larger doses to achieve the same pleasurable effects.

Cocaine

Stimulant derived from the coca plant

Nicotine

Stimulants found in tobacco