Answer:
B. beta waves
Step-by-step explanation:
Beta waves: The term "Beta waves" are considered as low amplitude, high-frequency brain waves that are being observed commonly in an individual's awaken state. Therefore, Beta waves are involved in logical thinking and conscious thought and tend to possess a stimulating effect. Alongside, consisting of the specified amount of "beta waves" allow an individual to focus.
In Beta waves,
Frequency range: 13-15 to 60 Hz.
Amplitude range: 30 µV.
In the question above, the given statement represents beta waves.