Psychology Drugs Flashcards
a behavioral pattern of drug abuse that is marked by huge desire to use the drug; person tends to relapse and use drug
addiction
means that after a person uses a drug repeatedly over a period of time, the original dose doesn’t satisfy them, so they have to increase drug intake
tolerance
a change in the nervous system so that a person now needs to take the drug to prevent the occurrence of painful withdrawal symptoms
physiological dependency
feeling the need to experience the drugs effects for emotional well being
psychological dependency
painful physical and psychological symptoms that occur after a drug-dependent person stops using the drug
withdrawal symptoms
explain the effects of drugs on the nervous system
nervous system communicates by using chemical messengers called neurotransmitters which act like chemical keys that open or close chemical locks to either excite or inhibit neighboring neurons
methamphetamine
stimulant
barbiturates
depressant
LSD
hallucinogen
opium
opiate
cocaine
stimulant
tranquilizer
depressant
psilocybin
hallucinogen
morphine
opiate
caffeine
stimulant
alcohol
depressant
mescaline
hallucinogen
heroin
opiate
ecstasy
hallucinogen
marijuana
hallucinogen
close to amphetamine. Increases the release of dopamine from end bulbs and blocks its re-uptake. Causes increase in blood pressure and heart rate and produces feelings of enhanced mood alertness and energy
methamphetamine
a dopamine re-uptake inhibitor (decreased appetite) used as local anesthetic.
Cocaine
(adenosine antagonist) goes in and blocks adenosine receptors.
caffeine
depressant drugs that have a sedative effect. stimulate GABA used to put you down for surgery
barbiturates
reduce anxiety and stress. xanax and valium
tranquilizers
stimulates GABA=less anxiety, less inhibition. Impairs the anterior cingulate cortex=motor action control. Medulla is impaired=respiratory depression or irregular heart beat
alcohol
produces strange experiences which include visual hallucinations, perceptual distortions, increased sensory awareness and intense psychological feelings. Binds to serotonin receptors and stimulates them
LSD
binds to serotonin receptors. Visual hallucinations, perceptual distortions, intense psychological feelings. Doesn’t last as long as LSD
Psilocybin
active ingredient in the peyote cactus. Increases the activity of norepinephrine and dopamine. Visual hallucinations
Mescaline
resembles mescaline and amphetamine. Causes the release of large amounts of serotonin and dopamine. Euphoria feelings of warmth and empathy
ecstasy (MDMA)
contains THC. Resembles anandamide (neurotransmitters) binds to the receptors. Euphoria, relaxation, increased appetite
marijuana
stimulate opiate receptors (endorphins). Analgesia, euphoria, constipation.
opium, morphine, heroine
pain reduction, a pleasurable state between waking and sleeping and constipation
opiates
including cocaine, amphetamines, caffeine, and nicotine increase the activity of the central nervous system
stimulants
a class of drugs that slow the central nervous system. Sedation, reduced anxiety and stress and inhibitions
depressant
