5.4 Flashcards
a progressive decrease in a person’s responsive to drug with continued use.
tolerance.
exists when a person must continue to take a drug to avoid withdrawal illness?
Physical dependence
types of dependence on using drugs
Physical and psychological dependence.
occurs when drug use is terminated?
withdrawal illness.
exists when a person must continue to take a drug to satisfy intense mental and emotional craving for it.
psychological dependence.
alters mood, perception, or
thought Increased dopamine in nucleus accumbens,
involved in the motivational/rewarding effects
psychoactive drug.
an excessive dose of a drug that can seriously threaten one’s life.
an Overdose.
drugs derived from opium that are capable of relieving pain.
narcotics.
sleep-inducing drugs that tend to decrease central nervous system and behavioral activity
sedatives.
what does narcotics carry?
psychological and physical dependence.
drugs that tend to increase central nervous system and behavioral activity.
stimulants.
a diverse group of drugs that have powerful effects on mental and emotional functioning, marked most prominently by distortions in sensory and perceptual experience
hallucinations.
