Alexander is hooked up to an electroencephalograph (EEG) in a sleep lab. As the researcher watches the printout from the EEG, alpha waves appear. Based on this information, the researcher can conclude that Alexander
A)has just entered stage 3 sleep.
B)is still awake, but is relaxed and drowsy.
C)has just entered stage 1 sleep.
D)is currently in REM sleep.

Question

Quizplus · Accepted Answer

Alpha waves are characteristic of the relaxed, drowsy state that occurs while a person is still awake, just before falling asleep. They do not indicate deep sleep (stage 3), the initial stage of sleep (stage 1), or REM sleep.

Alexander Is Hooked Up to an Electroencephalograph (EEG) in a Sleep