This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Alpha wave on EEG represent 
Select and explain. 
A. Awake and fully alert, B. Awake with eyes closed with mind wandering, C. Awake with eyes open, D. Deep sleep
B: Awake with eyes closed with mind wandering
Answer: B: Awake with eyes closed with mind wandering 
Explanation: None