Question and answer
Which of the following statements regarding REM sleep is true? A. Dreaming causes major muscle contractions and tossing and turning. B. Roughly 20 percent of adult sleep time is accompanied by REM.
C. REM sleep occurs during stage 3 sleep. D. REM sleep occurs only during state 4 sleep.
The correct answer is B. Roughly 20 percent of adult sleep time is accompanied by REM.
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User: Which of the following statements regarding REM sleep is true? A. Dreaming causes major muscle contractions and tossing and turning. B. Roughly 20 percent of adult sleep time is accompanied by REM. C. REM sleep occurs during stage 3 sleep. D. REM sleep occurs only during state 4 sleep.





Weegy: The correct answer is B. Roughly 20 percent of adult sleep time is accompanied by REM.
Expert answered|Slayin|Points 693|

User: Which of the following best illustrates a negative reinforcer? A. Copland gives up candy to stave off chronic acid indigestion. B. Nancy learns that she prefers chocolate over vanilla. C. Carmine changes his major to English lit after failing a math exam. D. On a hot day, Lindberg always drinks lemonade.

Weegy: The correct answer is A. Copland gives up candy to stave off chronic acid indigestion.
Expert answered|Slayin|Points 693|

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Asked 6/10/2012 2:26:49 PM
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In an instance of _______ recovery, a conditioned response that has been extinguished reappears when a person is exposed to a related stimulus.
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