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Author Question: Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical ... (Read 22 times)

captainjonesify

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on: Jun 22, 2018
Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical factor.
 
  What will be an ideal response?

Question 2

A stimulus that resets an internal biological clock is termed a ________.
 
  Fill in the blank with the appropriate word.


bbburns21

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: Sleep could be the result of depletion of a wakefulness-promoting factor, whereas waking could result from depletion of a sleep-inducing factor. A key difficulty for this theory is that the hemispheres of the dolphin show alternating sleep-waking patterns.

Answer to Question 2

Answer: zeitgeber


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