Sarah is participating in a sleep study. Although she appears to be sleeping, her EEG pattern exhibits fast brain-wave activity, and the recording from the electrooculogram seems to indicate that she is moving her eyes. This suggests that Sarah:
A)is having a seizure.
B)is lying with her eyes closed and is relaxed but not actually sleeping.
C)has a sleep disorder.
D)is in REM sleep.

Question

Quizplus · Accepted Answer

Sarah's EEG pattern showing fast brain-wave activity and eye movements recorded by the electrooculogram are characteristic of REM (Rapid Eye Movement) sleep, a stage of sleep where dreaming often occurs.

Sarah Is Participating in a Sleep Study