Chapter 5.2What Is Sleep?
©2013 W. W. Norton & Company, Inc.
Gazzaniga • Heatherton • Halpern
FOURTH EDITION
Psychological SciencePsychological Science
CLICKER QUESTIONS
From which stage is it the most difficult to awaken a sleeper?
A. Stage 1
B. Stage 2
C. Slow-wave sleep
D. REM
E. There is no difference between them.
From which stage is it the most difficult to awaken a sleeper?
A. Stage 1
B. Stage 2
C. Slow-wave sleep
D. REM
E. There is no difference between them.
In which stage would you expect to find sleep spindles?
A. Stage 1
B. Stage 2
C. Slow-wave sleep
D. REM
In which stage would you expect to find sleep spindles?
A. Stage 1
B. Stage 2
C. Slow-wave sleep
D. REM
If you slept eight hours at a regular time (11 pm to 7 am), when would you get most of your slow-wave sleep?
A. Early part (11 pm to 1 am)
B. Middle (2 am to 4 am)
C. Late (5 am to 7 am)
D. SWS is randomly distributed throughout the night.
E. It varies by individual.
If you slept eight hours at a regular time (11 pm to 7 am), when would you get most of your slow-wave sleep?
A. Early part (11 pm to 1 am)
B. Middle (2 am to 4 am)
C. Late (5 am to 7 am)
D. SWS is randomly distributed throughout the night.
E. It varies by individual.
When do humans dream?
A. During REM sleep
B. During non-REM sleep
C. During both REM and non-REM sleep
D. It depends on the individual
When do humans dream?
A. During REM sleep
B. During non-REM sleep
C. During both REM and non-REM sleep
D. It depends on the individual
Which best explains the “paradoxical” aspect of REM sleep?
A. Brain is in an active state.
B. Dreaming occurs, but body cannot move.
C. Muscles are paralyzed, but brain is in active state.
D. Brain is highly active, and body is highly active as well.
Which best explains the “paradoxical” aspect of REM sleep?
A. Brain is in an active state.
B. Dreaming occurs, but body cannot move.
C. Muscles are paralyzed, but brain is in active state.
D. Brain is highly active, and body is highly active as well.
Melatonin is a hormone that is secreted during darkness. Which area of the brain secretes
melatonin?
A. Anterior hypothalamus
B. Posterior hypothalamus
C. Adrenal gland
D. Pineal gland
Melatonin is a hormone that is secreted during darkness. Which area of the brain secretes
melatonin?
A. Anterior hypothalamus
B. Posterior hypothalamus
C. Adrenal gland
D. Pineal gland
Sleep apnea is becoming increasingly more prevalent in America. What happens to a person
during apnea?
A. The person falls asleep immediately and unexpectedly.
B. The person has difficulty falling asleep.
C. The person acts out his or her dreams during sleep.
D. The person stops breathing during sleep.
Sleep apnea is becoming increasingly more prevalent in America. What happens to a person
during apnea?
A. The person falls asleep immediately and unexpectedly.
B. The person has difficulty falling asleep.
C. The person acts out his or her dreams during sleep.
D. The person stops breathing during sleep.
Which sleep disorder is associated with obesity and heart disease?
A. Insomnia
B. Narcolepsy
C. Apnea
D. REM behavior disorder
E. Somnambulism
Which sleep disorder is associated with obesity and heart disease?
A. Insomnia
B. Narcolepsy
C. Apnea
D. REM behavior disorder
E. Somnambulism
The night after you took the MCAT, a grueling five-hour exam, you found that you slept an hour more than you typically do.
Which theory of sleep function best explains this increased sleep?
A. Restorative theory
B. Circadian rhythm theory
C. Facilitation of learning theory
D. All would explain it equally well.
The night after you took the MCAT, a grueling five-hour exam, you found that you slept an hour more than you typically do.
Which theory of sleep function best explains this increased sleep?
A. Restorative theory
B. Circadian rhythm theory
C. Facilitation of learning theory
D. All would explain it equally well.
Which neural region is highly active during REM and likely contributes to the emotional content of
dreams?A. Prefrontal cortex
B. Motor cortex
C. Brain stem
D. Amygdala
E. Visual cortex