Chapter 14 Sleep Flashcards
The case of miss m is interesting because
Although she slept little she appeared to be health productive and well adjusted
The EOG is a measure of
Eye movement.
The first night phenomenon is often experienced
On a volunteers first night of sleep in a laboratory
The 8 to 12 Hz EEG waves that are often associated with relaxed wakefulness are called
Alpha waves
The first EEG stage of a nights sleep is
Initial stage 1
Sleep spindles and K complexes are characteristics of
Stage 2 sleep
Delta waves the largest EEG sleep waves occur in the stage
3 and 4 EEG sleep
The stage of sleep EEG that follows the second bout of stage 2 sleep during a normal nights sleep is
Emergent stage 1
Which does not belong with the others ? Dreaming , emergent stage 1 EEG , R.E.M. , initial stage 1 EEG , loss of core muscle tone
Initial stage 1 EEG
According to hobsons activation synthesis theory of dreaming dream content reflects
Random brain stem activity and the cortexs inherent tendency to try to make sense of these signals
Dreaming appears to occur most commonly during
REM sleep
Which of the following animals spend about 14 hours per day sleeping
Cats
According to the text , which theory of sleep does the best job of explaining why there are such large differences in the amount of time that the members of various mammalian species spend sleeping
Circadian theory
The large between species differences in sleep time suggest that sleep
Is not necessarily needed in large quantities
In the entire week after being totally deprived of sleep for 11 days randy Gardner slept a total of about ____ hours more than usual
6
Which of the following is most likely to occur after the loss of a small amount of sleep
Disturbances of vigilance
Micro sleeps are usually about ___ long
3 seconds
During microsleep people
Become less responsive to external stimuli and display a sleep EEG
The carousel apparatus has been used to study sleep deprivation in
Rats
The main advantage of the carousel apparatus is that
The yoked control procedure is an integral part of it
The effects of the carousel apparatus are difficult to interpret because
In addition of producing sleep deprivation it produces confounding stress
After an entire week of R.E.M. Sleep deprivation about how many times in one night did volunteers have to be awakened to prevent them from experiencing bouts of R.E.M. Sleep
67
Following the completion of one week of R.E.M. Sleep deprivation volunteers
Have a greater than usually proportion of R.E.M. Sleep for 2 or 3 nights
According to the default theory R.E.M. Sleep and
Wakefulness are similar
Volunteers regain little of their lost sleep after a period of sleep deprivation but they regain much of their lost
Stage 4 sleep
The finding that sleep is more efficient in people who regularly sleep less is a key finding because it indicates that
Sleep deprivation studies can indicate how much sleep people actually need only if the volunteers who are being studied are efficient sleepers to begin with
Which of the following are commonly prescribed as hypnotics
Benzodiazepines
Melatonin is synthesized from
Serotonin
Disorders of excessive sleep or sleepiness are classified as
Hypersomnia
In various surveys approximately ____ of the respondents report sleep related problems
30%
Many cases of insomnia appear to be
Iatrogenic
Paradoxically insomnia is often caused by
Hypnotic drugs
A large group of patients who sought treatment for insomnia were found in one study to sleep ____ hours per night
6.5
A condition in which a persons sleep is repeatedly disrupted by the inability to breath is called
Sleep apnea
Sleep apnea is more common in
The elderly , men , the overweight
Narcolepsy is most often considered to be a disorder of
Hypersomnia
When they fall asleep narcoleptic immediately
Go into R.E.M. Sleep
Cataplexy is common in cases of
Narcolepsy
In one study volunteers gradually reduced the number of hours that they slept each night until they felt that they had reached their limit on the average this limit was
5 hours
Interest in the efficiency of polyphasic sleep was stimulated by stories of
Leonardo da Vinci
Polyphasic sleep reduction studies demonstrate that some people can function reasonably well on as little as ___ hours of polyphasic sleep per day
2.5 hours
Several large scale longitudinal studies documented the sleep patterns and health of healthy volunteers for several years , they found that people who slept ___ hours per night tended to live the longest
Between 5-7
