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