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AP PSYCH 2.8 The Adaptable Brain
Psychoactive Drugs
Psychoactive drugs are chemical substances used to alter one’s perception, mood, or consciousness
Often associated with physical and psychological dependence
Depressants
Effects
These are drugs that reduce neural activity
Slowing body functions, “depressing” the body
Examples
Sleeping pills
Tranquilizers
Alcohol
Opioids
Effects
Depressant effect
Pain relief
An agonist for endorphins
Examples
Morphine
Oxycodone
Heroine
Codeine
Stimulants
Effects
Drugs that excite neural activity
They speed up bodily functions, “stimulating” the body
Examples
Caffeine
Nicotine
Amphetamines
Cocaine
Hallucinogens
Effects
Also called psychedelics
They distort perceptions
Evoke hallucinations
Sensations in the absence of sensory input
Examples
LSD
Lysergic acid diethylamide
Marijuana
One of many effects
THC is the active component
AP PSYCH 2.8 The Adaptable Brain
Psychoactive Drugs
Psychoactive drugs are chemical substances used to alter one’s perception, mood, or consciousness
Often associated with physical and psychological dependence
Depressants
Effects
These are drugs that reduce neural activity
Slowing body functions, “depressing” the body
Examples
Sleeping pills
Tranquilizers
Alcohol
Opioids
Effects
Depressant effect
Pain relief
An agonist for endorphins
Examples
Morphine
Oxycodone
Heroine
Codeine
Stimulants
Effects
Drugs that excite neural activity
They speed up bodily functions, “stimulating” the body
Examples
Caffeine
Nicotine
Amphetamines
Cocaine
Hallucinogens
Effects
Also called psychedelics
They distort perceptions
Evoke hallucinations
Sensations in the absence of sensory input
Examples
LSD
Lysergic acid diethylamide
Marijuana
One of many effects
THC is the active component