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Psych Chapters 5-8 questions with 100% correct answers
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Psych Chapters 5-8 questions with 100% correct answers
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Psych Chapters 5-8 questions with 100%correct answers
sleep paralysis - correct answer ✔✔state of being unable to move just after falling asleep or right before
waking up
consciousness - correct answer ✔✔everything we are aware of at any given time
circadian rhythm - correct answer ✔✔cyclical changes that occur on a roughly 24 hour basis in many
biological processes; biological clock
biological clock - correct answer ✔✔term for the suprachiasmatic nucleus (SCN) in the hypothalamus
that's responsible for controlling our levels of alertness
non-REM sleep (NREM) - correct answer ✔✔stages 1 through 4 of the sleep cycle, during which rapid
eye movements do not occur and dreaming is less frequent and vivid
REM sleep - correct answer ✔✔- dancing of the eyes underneath closed eyelids during sleep
- stage of sleep during which the brain is most active and during which vivid dreaming most often occurs
- 20-25% of our nights sleep
lucid dreaming - correct answer ✔✔when you realize you are dreaming while asleep, the characters
become less scary and act more friendly
how much sleep do we need? - correct answer ✔✔- most people: 7-10 hours
- newborns: 16 hours
sleep stage 1: lasts about 10 minutes - correct answer ✔✔- we are unaware that we've been sleeping
- theta waves; hypnotic imagery may include bizarre dream-like images
,- may have sensation of hypnic myoclonia or myoclonic jerks
theta waves - correct answer ✔✔brain waves indicating the early stages of sleep (stage 1)
hypnic myoclonia - correct answer ✔✔sensation of falling while sleeping (stage 1)
myoclonic jerks - correct answer ✔✔sudden jerks while sleeping (stage 1)
stage 2 of sleep: lasts about 30 minutes - correct answer ✔✔- bursts of spindles and k-complexes appear,
heart rate and body temp lower, and muscles relax
- we spend about 65% of our sleep in stage 2
spindles - correct answer ✔✔Bursts of brain wave activity that characterize (stage 2)
k-complexes - correct answer ✔✔very high amplitude pattern of brain activity (stage 2)
stage 3 and 4 of sleep: lasts about 30 minutes - correct answer ✔✔- slow wave sleep
- difficult to awaken
- non-REM sleep
slow wave sleep - correct answer ✔✔appearance of slow delta waves (stage 3&4)
delta waves - correct answer ✔✔the large, slow brain waves associated with deep sleep (stage 3&4)
alpha waves - correct answer ✔✔brain waves that indicate a state of relaxation or light sleep (stage 1)
beta waves - correct answer ✔✔smaller and faster brain waves, typically indicating mental activity
(awake)
, stage 5: lasts about 20 minutes - correct answer ✔✔- REM sleep: 20-25% of our nights sleep
- vivid dreaming occurs: 80-90% report dreams
darting - correct answer ✔✔functions of eye movements
REM behaviour disorder - correct answer ✔✔when people act out their dreams because brain stem
structures (locus coeruleus) responsible for the paralysis that normally occurs during REM arent
functioning correctly
REM dreams vs non-REM dreams - correct answer ✔✔REM dreams can be emotional, illogical, and show
sudden "plot" shifts, non-REM dreams are often shorter, more thought like, and repetitive
somnambulism - correct answer ✔✔sleep walking (stage 3/4)
somniloquy - correct answer ✔✔sleep talking; occurs during any sleep stage and is more frequent
among children
narcolepsy - correct answer ✔✔a sleep disorder characterized by excessive daytime sleepiness and
uncontrollable REM sleep
sleep apnea - correct answer ✔✔periods during sleep when breathing stops, and the individual must
awaken briefly in order to breathe; affects 2-20% of the population
insomnia - correct answer ✔✔a sleep disorder characterized by difficulty falling and staying asleep, by
waking too early, or by sleep that is light, restless, or of poor quality
factors related to insomnia - correct answer ✔✔- depression, stress
- caffeine, napping
- night terrors, nightmares
freud on dreams - correct answer ✔✔dreams represent wish fulfillment; many or most dreams are
sexual in nature; freud was wrong about his view of dreams
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