Module 10: Substance-Related, Addictive, and Personality Disorders Flashcards
rates of illicit drug use over time have …
substantially declined since 1980’s
major components of drug dependence (3)
(1) desire to seek and imbibe substance (2) inability to control consumption of substance (3) experience of (-) emotions when substance is unattainable
delirium tremens
abuse of alcohol
adolescent drug use vs drug use after 20
adolescent using drugs are 4x more likely to become addicted
disorders involving same neurological processes as drug addiction (8)
ADD, affective d’s, anxiety d’s, bulimia, gambling, pathological, personality d’s, sexual addiction
neurotransmitter activity associated w/ pleasurable aspects of drug use
dopamine increases
brain parts stimulated by ventral tegmental area and involved in drug addiction (4)
(1) nucleus accumbens (most important) (2) prefrontal cortex (3) dorsal striatum (4) amygdala
brain area associated with loss of control, compulsive use, craving, and denial of drug problem
prefrontal cortex
most common drug abuse disorder in US
alcohol use disorder
rates of alcohol use disorder in males and females
males 42%; females 20%
reasons alcohol use is substantially lower in some regions (Middle East, Asia)
(1) Muslim countries ban its use (2) Asian genetic factors make alcohol unpleasant
part of digestive system that absorbs majority of consumed alcohol
small intestine
forms of alcohol that enter bloodstream faster
carbonated alcohol (alcohol soft drinks, champagne)
forms of alcohol that enter bloodstream slower
those w/ food value (beer)
males are considered heavy drinkers if they consume
more than 4 drinks per day or 14 drinks per week
females are considered heavy drinkers if they consume
more than 3 drinks per day or 7 drinks a week
relationship b/w cannabis use and psychotic symptoms/mental disorders
(+) relationship; paranoia and schizophrenia
least potent hallucinogen
mescaline
most potent hallucinogen
LSD
neurotransmitter that stimulates same receptors as opioids
endorphins
cocaine high versus high of other drugs
cocaine high is extremely short (15-40 minutes)