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

question 134

Multiple Choice

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.