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Chapter 7
Psyc test
25
Psychology
Undergraduate 1
11/11/2007

Additional Psychology Flashcards

 


 

Cards

Term
what stage of sleep do nightmares occure
Definition
REM sleep
Term
what are night terrors and when do they occur?
Definition
abrupt awakening from Non-REM sleep
intense autonomic arousal
the apperarence of being terrified
usually children 3-8 years old
Term
truths and myths about sleep walking
Definition
walking around while sleeping
not acting out a dream occurs in non-REM sleep(usually Delta sleep)
occurs mostly in children
safe to wake them up
can hurt themselves while sleepwalking
Term
Sleep Apnea
Definition
temprary cessations of breathing during sleep
and repeated momentary awakenings
Term
cataplexy
Definition
lose muscle tone when excited
do not lose conciouness
lasts a few seconds
Term
narcolepsy
Definition
go directly into REM sleep
Term
insomnia
Definition
recurring problems in falling asleep or staying asleep
Term
insomnia: side effects of sleeping pills
Definition
not a good longterm solution
lose effect
reduce time in REM & Delta sleep
Dependence
can make you sleepy the next day
withdrawl leads to worse insomnia
SUGESTIONS:
- avoide caffeinee and cigs before bed time
- Keep a regular schedual
Term
sleep dissorders
Definition
Insomnia
Narcolepsy
Sleep Apnea
Sleep Walking (Somn Ambulism)
Night Terrors
Nightmares
Term
4 major types of sleep theories
Definition
1- Protection
2- Recouperation
3- Aids Memory
4- Growth

--?#50-GORT
Term
REM rebound
Definition
tendency for REM sleep to increase following REM sleep deprivation
Term
effects of REM sleep deprivation
Definition
become agitated and impulsive
Term
yoked controls
Definition
an animal is paired with an experimental animal, each recieves the same treatment but the treatment is controlled by the experimental animals behavior.
Term
How were rats prevented from sleeping
Definition
forced walking
dipped in water
Term
effects of total sleep deprivation on rats
Definition
no control rats died
all experimental rats died within 11-32 days
Term
effects of sleep deprivation on normal person
Definition
get sleepy
supression of immune responses
impaired creativity
slowed performance misperceptions
Term
decrease in REM sleep with age
Definition
-newborn: 50% of sleep is REM
-Tapers off until about 5 years old
- than about 20% sleep for life
- but a decreasing amount of absolute sleep time
Term
age and sleep length
Definition
newborn: 16 hours
3 year olds: 12 hours
18 year olds: 8 hours
50 year olds: 6 hours
Term
what is the length of a cycle of sleep
Definition
90 minute cycle imposed on a 24 hour cycle
Term
how do the length of sleep stages change during the night?
Definition
REM periods increase in duration during the night
Delta sleep decreases in duration
Term
phasic events
Definition
Periodic
-eye movements
-middle ear twitching
-muscle twitching
Term
Tonic Events
Definition
continuous through out REM sleep
-EMG- relaxed muscle tone
-Erections- penis and clitoris
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