Chapter 8.2: Stages of Sleep and Brain Mechanisms

Question 1

Of the following, which shows the LEAST brain activity?

Answer 1

Coma

Question 2

Sleep spindles in stage 2 sleep to be important for which of the following?

Answer 2

Consolidation of memory

Question 3

What do the high-amplitude slow waves of slow-wave sleep indicate?

Answer 3

Synchrony among neurons

Question 4

Why is REM sleep also known as paradoxical sleep?

Answer 4

It is deep sleep in some ways and light in others

Question 5

At which time, if any, is slow-wave sleep most common?

Answer 5

Not immediately, but durning the early part of the night’s sleep

Question 6

What tends to activate the locus coeruleus?

Answer 6

Meaningful information

Question 7

What is the role of the person with regard to wakefulness and sleep?

Answer 7

It helps someone stay awake

Question 8

Why are people unconscious during slow-wave sleep?

Answer 8

Inhibitory transmitters block the spread of activity in the cortex

Question 9

If you awaken but find your temporarily cannot move your arms or legs, what is happening?

Answer 9

Most of your brain is awake, but part of your pons and medulla remain in REM sleep

Question 10

Of the following, which is not associated with an increased probability of sleep apnea?

Answer 10

Being female

Question 11

Narcolepsy is linked to a deficit of which neurotransmitter?

Answer 11

Orexin