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
Which of the following waves are seen during meditation? 
Select and explain. 
A. α, B. β, C. γ, D. δ
C: γ
Answer: C: γ 
Explanation: During meditation, the person will be in his atmost concentration. Hence, EEG shows presence of γ waves (frequency - 60Hz)