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

Question

Quizplus · Accepted Answer

Delta waves are associated with deep, slow-wave sleep, which is characteristic of Stage 3 sleep. Therefore, the researcher can conclude that Rebecca has just entered Stage 3 sleep.

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