Which of the following sleep phenomena could be detected without the aid of an EEG machine?
A)Stage 2 sleep
B)REM sleep
C)Stage 3 sleep
D)sleep spindles

Question

Quizplus · Accepted Answer

REM sleep can be detected without an EEG machine because it is characterized by rapid eye movements that can be observed directly. Other stages of sleep and specific phenomena like sleep spindles require the electrical activity of the brain to be measured with an EEG to be detected.

Which of the Following Sleep Phenomena Could Be Detected Without