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

question 117

Multiple Choice

Rebecca is hooked up to an electroencephalograph (EEG) in a sleep lab.As the researcher watches the printout from the EEG,delta waves appear.What can the researcher conclude about Rebecca's state of consciousness,based on this information

• A) She is currently in REM sleep. 
• B) She has just entered stage 1 sleep. 
• C) She has just entered stage 3 sleep. 
• D) She is still awake but is relaxed and drowsy.

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