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AP Psychology 3.1 States of Consciousness 18 Views
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AP Psychology 3.1 States of Consciousness. Which stage of sleep is characterized by jerky eye movements and paralyzed muscles?
Transcript
- 00:04
Here's your shmoop du jour brought to you by jerky eye movements we [Close up of girls eyes]
- 00:08
hate it when our eyes are jerky can't they just chill out and be nice which
- 00:12
stage of sleep is characterized by jerky eye movements and paralyzed muscles and
- 00:17
here are the potential answers.. well it's hard to imagine eyes
- 00:21
jerking around when they're closed but it happens and it can usually be seen [Man sleeping]
Full Transcript
- 00:25
through the eyelids unless you're one of those people who's eyelids don't fully
- 00:29
close during sleep in which case its much easier to tell during the first
- 00:33
sleep stage you drift in and out of sleep and be easily awoken no jerky eyes [Boy awakens as girl walks into room]
- 00:37
or paralyzed muscles here however so A is out if you were then to shift
- 00:42
in to stage two you likely try to create rhythmic brainwaves known as sleep
- 00:47
spindles while also dropping your body temperature and lowering your heart rate [Boy sleeping and temperature drops]
- 00:51
still no eye activity or paralysis in sight so it's not B next up stage 3
- 00:56
which is known for slow brain waves caused by delta waves that help you
- 01:00
transition from light sleep in to deep delta waves are the idealistic college [delta waves appear as boy sleeps]
- 01:06
years of the sleep cycle still doesn't fit our answer though so cross out C
- 01:10
then there's stage 4 a deep sleep that lasts for about 30 minutes if you really
- 01:15
wanted to sell stage 4 here's a tip most bedwetting occurs during this stage, still [Boy wets bed as girl walks into room]
- 01:20
not what we're looking for though so get rid of D...
- 01:24
finally there stage 5 REM sleep unsurprisingly REM or rapid eye movement [Boy sleeping as eyes move]
- 01:31
is characterized by yes jerky eye movement as well as muscle paralysis and
- 01:35
increased brain activity that causes dreams so E is the answer we're looking
- 01:41
for...E for everyone is laughing at you in your underwear while your teeth fall out [Man in underwear and teeth fall out as people laugh]
- 01:44
our subconscious is just the worst...
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