This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
What are the EEG waves recorded for parieto-occipital region with subject awake and eye closed 
Select and explain. 
A. Alpha waves, B. Beta waves, C. Delta waves, D. Theta waves
A: Alpha waves
Answer: A: Alpha waves 
Explanation: Ans. (a) Alpha waves(Ref: Ganong, 25th ed/p.273)Alpha wave#Frequency is 8-13Hz#Are most prominent over parieto-occipital areas#Seen when the patient is resting with the eyes closed