Multiple choice

During brain damage, which type of waves are produced by the neurons?

  1. Alpha waves

  2. Beta waves

  3. Theta waves

  4. Delta waves

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Delta waves (0.5-4 Hz) are slow brain waves associated with deep sleep and can appear during brain damage or unconsciousness. Alpha waves are relaxed alertness, beta waves are active thinking, theta waves are drowsy/meditative states.