Question 1

REM sleep is associated with ____.​

Accepted Answer

A)  tension and activity of the postural muscles
B)  ​PGO waves in the brain
C)  ​a highly synchronized EEG pattern
D)  decreased heart rateE) A) and B)
F) B) and C)

Question 2

After removing all sensory input to the brain,an animal would continue to have periods of sleep and wakefulness.​

Accepted Answer

A) True 
 B)False

Question 3

What is a typical characteristic of insomnia?​

Accepted Answer

A)  consistently feeling sleepy during the day
B)  ​consistently getting less than 6 hours of sleep per night
C)  ​spending at least 50% less REM sleep than normal
D)  spending more time in NREM sleep than in REM sleepE) A) and C)
F) All of the above

Question 4

After entering stage 4 for the first time each evening,the sleeper typically ____.​

Accepted Answer

A)  returns immediately to stage 1
B)  ​enters REM
C)  ​cycles back through stages 3 and 2
D)  wakes upE) All of the above
F) None of the above

Question 5

Discuss the relationship between sleep and memory.​

Accepted Answer

Young adults deprived of a night's sleep...

Question 6

The activation-synthesis theory of dreams argues that dreams are the result of random brain activity.

Accepted Answer

A) True 
 B)False

Question 7

Young children are more likely to be "morning people" than older adults.​

Accepted Answer

A) True 
 B)False

Question 8

What do the EEG waves look like when brain activity is "desynchronized"?​

Accepted Answer

A)  long, slow waves of large amplitude
B)  ​short, rapid waves of large amplitude
C)  ​regular alternation between waves of large amplitude and waves of small amplitude
D)  irregular waves with low amplitudeE) All of the above
F) None of the above

Question 9

When studying disruptions to the biological clock in animals,what did Curt Richter find?​

Accepted Answer

A)  Blinding animals strongly disrupted their clock.
B)  ​Rendering animals deaf strongly disrupted their clock.
C)  ​Long periods of forced activity strongly disrupted the clock.
D)  The biological clock is insensitive to most forms of interference.E) B) and C)
F) A) and C)

Question 10

Research suggests that REM is ____.​

Accepted Answer

A)  important for all types of memory
B)  ​most important for strengthening memories of motor skills
C)  ​most important for strengthening memories of lists of words
D)  not important for strengthening memories of any kindE) C) and D)
F) A) and D)

Question 11

Another aspect of sleep's contribution to memory relates to: ​

Accepted Answer

A)  delta waves
B)  ​sleep spindles
C)  ​alpha waves
D)  PKO spikesE) A) and C)
F) B) and D)

Question 12

What is narcolepsy?​

Accepted Answer

A)  sleepwalking
B)  ​the inability to breathe while sleeping
C)  ​involuntary movements of the limbs while sleeping
D)  sudden periods of sleepiness during the dayE) A) and B)
F) A) and D)

Question 13

The biological clock depends on part of the hypothalamus,called the suprachiasmatic nucleus.​

Accepted Answer

A) True 
 B)False

Question 14

Researchers have demonstrated that the expression of the SCN genes can be changed through ____.​

Accepted Answer

A)  exposure of the eyes to light
B)  ​barometric pressure
C)  ​the diet
D)  morning exerciseE) A) and D)
F) A) and C)

Question 15

Animals produce endogenous circadian rhythms that last ____.​

Accepted Answer

A)  about an hour
B)  ​about a day
C)  ​about a week
D)  more than a dayE) C) and D)
F) B) and C)

Question 16

In comparison to NREM dreams,REM dreams ____.​

Accepted Answer

A)  are less likely to include striking visual imagery
B)  ​are more likely to include complicated plots
C)  ​do not contain violence
D)  are almost always less than five minutesE) A) and D)
F) A) and B)

Question 17

The risk of sleep apnea is increased among which group of people?​

Accepted Answer

A)  college students who are in finals week
B)  ​those who are addicted to tranquilizers
C)  ​men who are overweight
D)  people who work on swing shiftsE) B) and C)
F) A) and C)

Question 18

When do the secretions of melatonin begin?​

Accepted Answer

A)  just before a person awakens
B)  ​when body temperature is at its lowest
C)  ​when body temperature is at its highest
D)  a couple of hours before a person naturally falls asleepE) C) and D)
F) A) and D)

Question 19

During REM sleep,the EEG shows ____.​

Accepted Answer

A)  regular, high-voltage slow waves
B)  ​irregular, high-voltage slow waves
C)  ​regular, low-voltage slow waves
D)  irregular, low-voltage fast wavesE) B) and C)
F) A) and D)

Question 20

The circadian rhythm is reset by input from special ganglion cells in the retina.These ganglion cells are unusual in that they ____.​

Accepted Answer

A)  receive input from only cones, not rods
B)  ​are located only in a doughnut-shaped band surrounding the fovea
C)  ​respond directly to light, but respond very slowly
D)  become active only at night or in very dim lightE) A) and B)
F) C) and D)

Exam 8: Wakefulness and Sleep

The activation-synthesis theory of dreams argues that dreams are the result of random brain activity.

Correct AnswerverifiedShow Answer

During REM sleep,the EEG shows ____.​

Correct AnswerverifiedShow Answer

After entering stage 4 for the first time each evening,the sleeper typically ____.​

Correct AnswerverifiedShow Answer

What is narcolepsy?​

Correct AnswerverifiedShow Answer

After removing all sensory input to the brain,an animal would continue to have periods of sleep and wakefulness.​

Correct AnswerverifiedShow Answer

When do the secretions of melatonin begin?​

Correct AnswerverifiedShow Answer

Young children are more likely to be "morning people" than older adults.​

Correct AnswerverifiedShow Answer

Another aspect of sleep's contribution to memory relates to: ​

Correct AnswerverifiedShow Answer

Discuss the relationship between sleep and memory.​

Correct AnswerverifiedYoung adults deprived of a night's sleep...View AnswerShow Answer

The biological clock depends on part of the hypothalamus,called the suprachiasmatic nucleus.​

Correct AnswerverifiedShow Answer

The circadian rhythm is reset by input from special ganglion cells in the retina.These ganglion cells are unusual in that they ____.​

Correct AnswerverifiedShow Answer

When studying disruptions to the biological clock in animals,what did Curt Richter find?​

Correct AnswerverifiedShow Answer

Animals produce endogenous circadian rhythms that last ____.​

Correct AnswerverifiedShow Answer

Researchers have demonstrated that the expression of the SCN genes can be changed through ____.​

Correct AnswerverifiedShow Answer

The risk of sleep apnea is increased among which group of people?​

Correct AnswerverifiedShow Answer

What do the EEG waves look like when brain activity is "desynchronized"?​

Correct AnswerverifiedShow Answer

REM sleep is associated with ____.​

Correct AnswerverifiedShow Answer

Research suggests that REM is ____.​

Correct AnswerverifiedShow Answer

In comparison to NREM dreams,REM dreams ____.​

Correct AnswerverifiedShow Answer

What is a typical characteristic of insomnia?​

Correct AnswerverifiedShow Answer

Correct Answer
verified

During REM sleep,the EEG shows ____.

Correct Answer
verified

After entering stage 4 for the first time each evening,the sleeper typically ____.

Correct Answer
verified

What is narcolepsy?

Correct Answer
verified

After removing all sensory input to the brain,an animal would continue to have periods of sleep and wakefulness.

Correct Answer
verified

When do the secretions of melatonin begin?

Correct Answer
verified

Young children are more likely to be "morning people" than older adults.

Correct Answer
verified

Another aspect of sleep's contribution to memory relates to:

Correct Answer
verified

Discuss the relationship between sleep and memory.

Correct Answer
verified
Young adults deprived of a night's sleep...
View Answer

The biological clock depends on part of the hypothalamus,called the suprachiasmatic nucleus.

Correct Answer
verified

The circadian rhythm is reset by input from special ganglion cells in the retina.These ganglion cells are unusual in that they ____.

Correct Answer
verified

When studying disruptions to the biological clock in animals,what did Curt Richter find?

Correct Answer
verified

Animals produce endogenous circadian rhythms that last ____.

Correct Answer
verified

Researchers have demonstrated that the expression of the SCN genes can be changed through ____.

Correct Answer
verified

The risk of sleep apnea is increased among which group of people?

Correct Answer
verified

What do the EEG waves look like when brain activity is "desynchronized"?

Correct Answer
verified

REM sleep is associated with ____.

Correct Answer
verified

Research suggests that REM is ____.

Correct Answer
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In comparison to NREM dreams,REM dreams ____.

Correct Answer
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What is a typical characteristic of insomnia?

Correct Answer
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