Question 1

When deprived of time cues, people tend to show activity cycles that are

Accepted Answer

A)   exactly 24 hours long.
B)   a little less than 24 hours long.
C)   a little more than 24 hours long.
D)   completely unpredictable.E) A) and B)
F) A) and C)

Question 2

In a young adult, during the course of a night's sleep the length of the bouts of _______ sleep progressively decrease, while the length of bouts of _______ sleep progressively increase.

Accepted Answer

A)   stage 3 SWS; REM
B)   stage 1; stage 3 SWS
C)   stage 2; REM
D)   REM; state 3 SWSE) A) and B)
F) A) and C)

Question 3

Explain the niche adaptation concept of the biological function of sleep.

Accepted Answer

The answer of Explain the niche adaptation concept of the...

Question 4

In the U.S., evidence that daylight affects human circadian rhythms is supported by the observation that even though everyone's time keepers (clocks, phone)  report the same time, people in the western part of the time zone go to bed _______ people in the in eastern part of the time zone.

Accepted Answer

A)   much earlier than
B)   slightly earlier than
C)   a bit later than
D)   at the time asE) B) and C)
F) All of the above

Question 5

The hormone _______ has been especially implicated in informing the brain about day length?

Accepted Answer

The answer of The hormone _______ has been especially implicated...

Question 6

If SCN neurons are transplanted from animal A to animal B, and animal B previously had its SCN lesioned, animal B's rhythmicity will

Accepted Answer

A)   disappear.
B)   become abnormally short.
C)   match animal A's rhythm.
D)   become infradian.E) B) and C)
F) All of the above

Question 7

A lesion made to the reticular formation will result in a cortical EEG pattern of

Accepted Answer

A)   sustained sleep.
B)   intense arousal.
C)   arousal and sleep in alternating periods.
D)   intense seizure activity.E) B) and D)
F) A) and C)

Question 8

Briefly summarize the four neural systems that underlie sleep.

Accepted Answer

The answer of Briefly summarize the four neural systems that...

Question 9

The EEG of a sleeping person is desynchronized, their limbs are flaccid, and their eyes are darting under closed eyelids; this person is in _______ sleep.

Accepted Answer

The answer of The EEG of a sleeping person is...

Question 10

Infant sleep is characterized by _______ sleep cycles than those of adults, with proportionally more _______ sleep.

Accepted Answer

A)   deeper; stage 1
B)   shorter; REM
C)   longer; stage 2
D)   longer; stage 3E) B) and C)
F) All of the above

Question 11

Experimental evidence suggests that the biological role of SWS and REM sleep may be related to the

Accepted Answer

A)   consolidation of perceptual learning.
B)   effort to shed bad memories.
C)   processing of intense sexual excitement.
D)   problem-solving activities of the brain.E) All of the above
F) None of the above

Question 12

Which statement about fatal familial insomnia is false?

Accepted Answer

A)   Autopsy of patients with this disorder shows degeneration in the cortex and thalamus.
B)   It is characterized by chronic lifetime insomnia.
C)   It is caused by a defect in the gene for a prion protein.
D)   People with this disorder show diffuse bacterial infections.E) B) and C)
F) A) and B)

Question 13

Sleep that immediately follows a period of learning has the apparent effect of

Accepted Answer

A)   blocking long-term retention.
B)   improving long-term retention.
C)   undoing the learning.
D)   impairing retrieval of the learned material.E) All of the above
F) A) and B)

Question 14

The type of rhythmicity characterized by the regular, predictable onset of a particular behavior once a day is called a(n) _______ rhythm.

Accepted Answer

The answer of The type of rhythmicity characterized by the...

Question 15

The characteristic EEG recording obtained from subjects who are relaxed with their eyes closed is called the

Accepted Answer

A)   alpha.
B)   beta.
C)   delta.
D)   gamma.E) A) and D)
F) None of the above

Question 16

The brain region called the _______ promotes REM sleep in large part by preventing motor neurons from firing.

Accepted Answer

The answer of The brain region called the _______ promotes...

Question 17

Because of shifts in circadian rhythms that occur around puberty, students at high schools that begin the school day after 8:30 am generally experience

Accepted Answer

A)   increased levels of depression.
B)   better academic performance.
C)   lower school attendance.
D)   faster growth rates.E) None of the above
F) A) and D)

Question 18

The region that appears to be responsible for activating wakefulness is known as the

Accepted Answer

A)   basal forebrain.
B)   optic chiasm.
C)   locus coeruleus.
D)   reticular formation.E) None of the above
F) A) and C)

Question 19

The large proportion of _______ sleep seen in infancy suggests it is necessary for nervous system maturation.

Accepted Answer

A)   stage 1
B)   stage 2
C)   stage 3
D)   REME) B) and D)
F) B) and C)

Question 20

Outline the different types of sleep disorders, as well as any possible known treatments.

Accepted Answer

There are several different types of sle...

Exam 11: Biological Rhythms and Sleep

Outline the different types of sleep disorders, as well as any possible known treatments.

Correct AnswerAnswered by ExamLex AIThere are several different types of sle...View AnswerShow Answer

The region that appears to be responsible for activating wakefulness is known as the

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Experimental evidence suggests that the biological role of SWS and REM sleep may be related to the

Correct AnswerverifiedShow Answer

A lesion made to the reticular formation will result in a cortical EEG pattern of

Correct AnswerverifiedShow Answer

If SCN neurons are transplanted from animal A to animal B, and animal B previously had its SCN lesioned, animal B's rhythmicity will

Correct AnswerverifiedShow Answer

The characteristic EEG recording obtained from subjects who are relaxed with their eyes closed is called the

Correct AnswerverifiedShow Answer

Briefly summarize the four neural systems that underlie sleep.

Correct AnswerverifiedShow Answer

The hormone _______ has been especially implicated in informing the brain about day length?

Correct AnswerverifiedShow Answer

Sleep that immediately follows a period of learning has the apparent effect of

Correct AnswerverifiedShow Answer

Which statement about fatal familial insomnia is false?

Correct AnswerverifiedShow Answer

In the U.S., evidence that daylight affects human circadian rhythms is supported by the observation that even though everyone's time keepers (clocks, phone) report the same time, people in the western part of the time zone go to bed _______ people in the in eastern part of the time zone.

Correct AnswerverifiedShow Answer

When deprived of time cues, people tend to show activity cycles that are

Correct AnswerverifiedShow Answer

Infant sleep is characterized by _______ sleep cycles than those of adults, with proportionally more _______ sleep.

Correct AnswerverifiedShow Answer

The large proportion of _______ sleep seen in infancy suggests it is necessary for nervous system maturation.

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The EEG of a sleeping person is desynchronized, their limbs are flaccid, and their eyes are darting under closed eyelids; this person is in _______ sleep.

Correct AnswerverifiedShow Answer

Because of shifts in circadian rhythms that occur around puberty, students at high schools that begin the school day after 8:30 am generally experience

Correct AnswerverifiedShow Answer

The brain region called the _______ promotes REM sleep in large part by preventing motor neurons from firing.

Correct AnswerverifiedShow Answer

The type of rhythmicity characterized by the regular, predictable onset of a particular behavior once a day is called a(n) _______ rhythm.

Correct AnswerverifiedShow Answer

In a young adult, during the course of a night's sleep the length of the bouts of _______ sleep progressively decrease, while the length of bouts of _______ sleep progressively increase.

Correct AnswerverifiedShow Answer

Explain the niche adaptation concept of the biological function of sleep.

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There are several different types of sle...
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Infant sleep is characterized by _ sleep cycles than those of adults, with proportionally more _ sleep.

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In a young adult, during the course of a night's sleep the length of the bouts of _ sleep progressively decrease, while the length of bouts of _ sleep progressively increase.

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