Substance abuse, Addictive, Impulse-Control Disorders Flashcards
Substance dependence/addiction
- at least two symptoms in last year that interfered with life
- defined by tolerance, withdrawal, also sometimes seeking drug
depressants
behavioral sedation (reduced arousal/stimulation)
ex: alc, sedative, anxiolytic drugs
stimulants
increased alertness and elevate mood
most commonly used drug in us
ex: amphetamines, cocaine, caffeine, and nicotine
opiates
produce euphoria and analgesia
ex: heroine, weed, and LSD
analgesia
blocks pain
hallucinogens
- alter sensory perception; can also produce delusions and paranoia
- tolerance builds quickly but can be reset with brief abstinence
ex: weed, LSD
other drugs of abuse
inhalants, anabolic steroids, medications
alcohol related disorders:
1. what kind of substance
2. influence what system
3. target what
4. pathway
- central nervous system depressant
- influence neurotransmitter systems
- target GABA (increase inhibitory effects; cells worse at firing)
- ingestion, stomach, small intestine, heart, liver
alcohol withdrawal
hallucinations and tremors
alcohol long term use
may lead to forms of dementia
Wernicke-Korsakoff disorder
cerebellum affected
Wernicke-Korsakoff disorder
confusion, lack of coordination, impaired speech
sedative
calming
hypnotic
sleep inducing
anxiolytic
anxiety reducing (ex: benzodiazepines)
effects of amphetamine (stimulant)
produce elations, vigor, reduce fatigue followed by extreme fatigue and depression