Ch9 - Module 3

Physiological Mechanisms of Sleep& Waking

True or False:

“The amount of slow-wave sleep obtained during a day time nap is deducted from amount of slow-wave sleep obtained in the night”

True

People with the ______ allele for the gene that encodes for the enzyme adenosine deaminase spent approximately 30 minutes more in slow-wave sleep

G/A

What neurotransmitters play a role in arousal?

1. Acetylcholine

2. Norepinephrine

3. Serotonin

4. Histamine

5. Orexin

The neurotransmitter _________ is associated with arousal of the cerebral cortex

acetylcholine

Almost all of the brain’s serotonergic neurons are found in the _____

raphe nuclei

The highest rate of firing when orexinergic neurons are active was seen when rats were engaged in __________ activity

exploratory