mod 10: drugs and consciousness Flashcards
define psychoactive drug
chemical that alters perception and mood
when is drug use a disorder?
when the following symptoms are at least 2 of the 6 symptoms:
impaired control - craves ssubstance, uses for longer than intended
social impairment - disrupts social obligations and continues
risky use
drug action - tolerance and withdrawal
3 categories of psychoactive drugs:
depressants, stimulants, hallucinogens
what is a barbiturate?
tranquilizer
what are depressants?
drugs which calm neural activity and slow body function like alcohol
true/false: the urges you feel when sober = more likely acted upon when drunk
trueeeeee
effects of alcohol
slowed neural processing, memory disruption/formation and even nerve cell birth, reduced self control, and even just expecting that youre drunk releases inhibitions
what are opiates?
painkillers/anxiety reducers, depressants (brain’s natural opiates are endorphins)
stimulants
speed stuff up like caffeine or nicotine or cocaine or meth
amphetamines
stimulates neural activity, speedy body function and energy/mood goes up
withdrawal symptoms
craving, insomnia, anxiety, irritability, distractibility
true/false: the social pressures and of smoking as a teen is the primary reason for smokers in general who exist
true
what does cocaine do to neurotransmitters?
blocks off binding sites, thus keeping the neurotransmitters in the synapse, and intensifying their effect
effects of meth
releases dopamine, aftereffects = irritability,insomnia, hypertension, seizures, social isolation, depression, and violence, might reduce baseline dopamine as compensation, user always = depressed
causes of drug use disorders
biological (genetic predispositons), psychological (lack of purpose/stress/depression), and social-cultural (friends are wacky and love drugs)
ecstasy
stimulant + mild hallucinogen, dopamine release and serotonin, hours of energy and social intimacy, but dehydrates and could lead to severe overheatingm blood pressure, and death, and damages serotnoin producing neurons and perm depressed mood, impairs immune system
LSD
powerful hallucinogen, near death experience type of sensation, feeks dreamlike scenes that they might hurt themselves , even replays past emotional experiences and such
marijuana/THC
THC = active ingredient in marijuana, variety of effects including hallucination but impaired learnign/memory and lung damage and stuff
true/false: people who believe they are on a drug might actually experience some of the symptoms
yes
