Multiple choice general knowledge science & technology

If an adult man's brain is giving off mainly alpha waves, he is most likely

  1. Fast Asleep

  2. Awake and nervous

  3. Awake and resting

  4. Unconsious
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Alpha waves (8-13 Hz) are predominantly present when a person is awake but in a relaxed, resting state with eyes closed. During deep sleep, the brain shows slower delta and theta waves. Being awake and nervous produces beta waves, while unconscious states show different wave patterns.

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