Questions and Answers 100% Pass
Awareness of everything around you and inside of your head at any given moment -
✔✔consciousness
consciousness is used to organize your ______, _____, _____, and _____ - ✔✔behavior,
thoughts, sensations and feelings
2 types of consciousness? - ✔✔waking, altered state
waking consciousness? - ✔✔thoughts, feeling sensations when we are awake; generally
clear and organized
altered consciousness? - ✔✔shifts in the quality in or pattern of mental activity
(Daydreaming, hypnotic state, meditative state, increased alertness, divided attention,
sleep)
refers to a cycle of 24 hours - ✔✔circadian rhythm
key players of the circadian rhythm? - ✔✔Suprachiasmatic nucleus (SCN) of the
hypothalamus
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,serotonin
body temp
adenosine
what does the SCN do when it gets dark? when it gets light? - ✔✔triggers the secretion
of melatonin from the pineal gland to make us sleepy; stops secretion of melatonin to
allow the body to awaken
neurotransmitter that helps regulate mood and sleep regulation - ✔✔serotonin
the higher the body temp, the more or less alert we are? - ✔✔more
as it builds up, we become more sleepy - ✔✔adenosine
adenosine antagonist? - ✔✔caffeine
brief period of sleep that only last a few seconds - ✔✔microsleeps
missing a single night of sleep can impair things like - ✔✔concentration and the ability
to perform simple tasks
sleep deprivation symptoms - ✔✔trembling hands
inattention
staring off into space
droopy eye lids
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,general discomfort
psychological symptoms like irritability, depression, mania, hallucinations
long term sleep deprivation and health leads to - ✔✔obesity
impaired immune function+ increased inflammatory response
fatal familial insomnia - ✔✔people cannot sleep anymore
theory thats states: sleep is a product of evolution - ✔✔adaptive theory of sleep
theory that states: sleep is necessary for physical health - ✔✔restorative theory of sleep
difference between restorative theory of sleep and adaptive theory? - ✔✔why we sleep
in general vs. why we sleep when we sleep
2 kinds of sleep - ✔✔REM and non-REM
active sleep, 90% of dreams occur during this sleep - ✔✔REM
REM paralysis? - ✔✔voluntary muscles are paralyzed
during REM sleep does your body temp rise or fall? - ✔✔rises, heart rate increased and
eyelids move
brain waves resemble ____ waves during REM sleep - ✔✔beta
restful sleep, voluntary muscle are not paralyzed - ✔✔non-REM
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, Body temperature drops, heart rates slows, and breathing becomes more shallow -
✔✔non-REM stage 2 sleep
non-REM stage 2 is characterized by - ✔✔sleep spindles
what waves during non-REM stage 2? - ✔✔theta
what happens if you wake someone up during non-REM stage 2? - ✔✔they are aware
that they are awake
do you experience more REM or non-REM on a stressful day? physical day? - ✔✔REM
non-REM
what happens if you are deprived of REM sleep? - ✔✔you'll experience more the
following night
what can you use to determine what stage of sleep people are in? - ✔✔EEG
beta waves are present when? - ✔✔awake and alert
when are alpha waves present? - ✔✔relaxed and drowsy
why did freud think we dream? - ✔✔wish fulfillment;
1. People's repressed conflicts and events cause them problems
2. Dreams are symbolic representations of past conflicts, desires and events stemming
from childhood
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