Exam 3 Flashcards
(124 cards)
- Nicotine
- Caffeine
- Alcohol
All have important social dimensions in addition to their physiological effects.
All of these are ___ ___
social drugs
- Marijuana
- Heroin and designer narcotics
- Cocaine
- Amphetamines
- Ecstasy
All of these are ____ ___ ___
common illegal drugs
- The most widely used psychoactive drug in the world
- Operates by competing with the inhibitory neuromodulator adenosine, increasing arousal.
- Serves as an adrenergic stimulant and a catecholamine agonist
- Catecholamines include dopamine, epinephrine, and norepinephrine
All of these are effects of ____
caffeine
- Increases both CNS and autonomic arousal.
- Reaches maximum blood levels about 30 minutes after ingestion
- Has 3-6 hour half life
Effects of ___
caffeine
- Heavy users report withdrawal symptoms if headache, fatigue, and more rarely depression, weakness, anxiety, nausea.
- Helps direct attention to spatial features of perceptual input
- Has limited effects on higher processing
Effects of ___
caffeine
May help maintain optimal levels of motor readiness, improves both choice and simple reaction times by decreasing time to initial response.
effects of __
caffeine
_____ : implicated in large numbers of car accident injuries and deaths
alcohol
Use beyond 8-12 oz of wine or 16-24 oz of beer a day a for women of 12-16 oz of wine or 24-32oz of beer a day for men considered ____
problematic.
___ impairs both cognitive and psychomotor performance
alcohol
_______ impairs visual pattern recognition and visual attention
alcohol
_______ impairs visual pattern recognition and visual attention
alcohol
Genetics Gender Age Habitual alcohol consumption Body size Health Mood
Factors affecting alcohol effects:
Driving limit is
.08%
_____ Impairs reaction time, narrows attention, increases risks taking
alcohol
Risk taking doubles with .04% blood ____ content
alcohol
Excessive use of ____ causes cognitive deficits, neurological damage
alcohol
Alcoholism can lead to ___ ____ in which a thiamine deficiency causes damage to the diencephalon, causes amnesia
Korsakoff’s disease
____ is the largest cause of preventable death in many countries
Smoking (Nicotine)
Smoking has declined to slightly more than __ of the population
¼
Nicotine is an ____ ___
acetylcholine agonist
____ ____ improve cognitive performance
Cholinergic agonists
Nicotine enters the system within about ___ _____
10 seconds
Nicotine increases performance strongly after ____ in users
abstinence
___ ______ ____ suggests this gain is due to alleviation of withdrawal symptoms that reduce performance
The Deprivation Reversal model