substance use disorder Flashcards
criteria for substance use disorder
- taking more of substance than intended
- desire to cut down use but unable to
- excessive time spent using/acquiring/recovering
- craving
- role disruption
- interpersonal problems
- reduction of important activities
- use in physically hazardous situations
- keep using depsite problems/consequences
- tolerance
- withdrawal
hwo many criteria does one need in timeframe to get diagnosis
2 or more in last year
what is withdrawal
negative psychological and physical symptoms when reducing/stopping use
what is tolerance
effects of drugs are less when usual amount is taken
larger doses needed to produce desired effect
examples of withdrawal symptoms
pain sensitivity
low mood
anxiety
vomiting
sweating
insomnia
flu like symptoms
lack of appetite
what do depressants do
sedate behaviour
examples of depressants
alcohol
sedatives
anxiolytic drugs
what do stimulants do
increase alertness and elevate mood
examples of stimulants
cocaine
nicotine
ecstasy
meth
coffee - not disorder
what do opiates do
produce analgesia and euphoria
examples of opiates
heroin
morphine
codeine
what do hallucinogens do
alter sensory perception
examples of hallucinogens
marijuana
lsd
drugs of abuse
inhalants
anabolic steroid
club/designer drugs
what does alcohol do to the brain
slows down CNS functioning
stimulates GABA receptors
increases levels of serotonin and dopamine
decrease glutamate
what happens when GABA receptors are stimulated
slows down neural firing
relaxation, reduced tensions
motor impairment
what happens when levels of serotonin and dopamine are increased
initially feel good feeling
dopamine breaks down
what happens when glutamate is decreased
impairs memory, judgement, thinking
more alcohol consumed, more effects on which system / brain area
limbic system
hippocampus is compromised
what happens when hippocampus is compromised
interferes with ability to form new memories (black outs)
what factors are related to BAC
amount ingested in period of time
empty vs full stomach
size of body
live efficiency
gender
acute withdrawal symptoms
physical - headache, nausea, tremors
psych - anxiety/depression symptoms