To what do researchers attribute falling asleep?
A. The release of sleep chemicals and the shutdown of the hypnogogic system
B. The release of sleep hormones and the synchronization of brain patterns
C. Shutdown of the hypnogogic system and decreased muscle activity
D. Decreased muscle activity and the release of sleep hormones
Answer: B
You might also like to view...
According to the text, there are five essential elements to the definition of punishment. Which of the following is not one of these five elements?
A. There are at least two persons involved. B. The person who inflicts the punishment causes a certain harm to the person who is being punished. C. The person who inflicts the punishment has been authorized, under a system of rules or laws, to harm the person who is punished in this particular way. D. The person who is being punished has been identified and judged by his/her victim.
Sean focuses on avoiding being judged as less competent than others in his class. He is motivated to avoid doing poorly. This type of achievement motivation results in __________ goals
FIll in the blank with correct word.
Preschool children spend _____ in physical activity, about _____ per week:
a. little time; 5 hours c. quite a bit of time; 25 hours b. a moderate amount of time; 10 hours d. most of their time; 40 hours
Deterioration of the health of the heart and blood vessels poses an increased risk to the brain of damage from _____
a) death. b) synaptogenesis. c) too much pruning. d) stroke.