Exam 3 (Ch. 10-11) Flashcards
Stress
the psychological and physical response to a stimulus that alters the body’s equilibrium
stressor
-a stimulus that throws the body’s equilibrium out of balance
-2 types: chronic and acute
the 3 parts of the stress over time graph
alarm reaction, resistance, and exhaustion
describe the stress over time graph
stress resistance dips in alarm reaction, rises and steadies in resistance and dips in exhaustion as time goes on
low arousal=
weak performance
high arousal=
weak performance due to anxiety
arousal
interest in activity
first 2 stages of sleep
1: transition from alpha waves to theta activity
2:characterized by appearance of sleep spindles and K-complexes
slow wave sleep (SWS)
-occurs about 15-20 min after stage 2
-transitions to REM 90 minutes after SWS
rapid eye movement sleep(REM)
-occurs 90 mins after SWS
-desynchronized theta and vivid narrative based dreams occur
REM phases get longer the…
longer you sleep
functions of SWS
-restoration of the brain
sleep deprivation (specifically SWS)
cognitive deficits
functions of REM sleep
-rebound phenomenon suggests need for REM sleep
-protects consolidation
who investigated dreaming? what 2 ideas did he study ?
Freud
manifest content and latent content
the 4 main sleep disorders (dyssomnias)
-insomnia
-conditioned insomnia
-idiopathic insomnia
-hypersomnia
insomnia (dyssomnias)
-inability to fall asleep
-sleeping pills can help get you to sleep it will not be deep and you will feel unrested
conditioned insomnia (dyssomnias)
results from association and conditioning
idiopathic insomnia (dyssomnias)
caused by neurophysiological abnormality
hypersomnia (dyssomnias)
-excessive sleepiness
-tired even after a lot of sleep
sleep disorder: narcolepsy
-neurodegenerative disorder
-sleep attacks (unpredictable)
-cataplexy (loss of muscle control)
-hallucination before and after sleep
-intense dreaming
hypnagogic hallucinations
-hallucinations that occur before sleep
hypnopompic hallucinations
-hallucinations that occur before waking up and after sleep
2 types of parasomnia sleeping disorders
-REM sleep behavior disorder
-slow wave sleep disorders
REM sleep behavior disorder (parasomnia sleeping disorders)
-acts out contents of dreams
slow wave sleep disorders (parasomnia sleeping disorders)
-bedwetting (common for kids in transition to potty training)
-night terrors (common for kids, rare in adults)
-sleep walking (walking and talking or just one of the 2)
alcohol
-depressant and decreases inhibitions
-affects several neurotransmitters
-prolonged repeated use leads to major health problems
determinants of alcoholism
-genetic susceptibility
-culture
-self esteem
marijuana
-stimulates cortex and hippocampus
-depressant and mild hallucinations
-leads to poor attention and memory
-not physiologically addictive but psychologically addictive
what reduces the side effects of chemotherapy
marijuana
stimulants
-amphetamines and cocaine
-increases alertness and elevates mood
-low after high
hallucinogens
-change perception, thinking, and self awareness
-interferes with serotonin
-effects depend on amount, setting, and personality
-bad trips and flashbacks
-not addictive