Question

Which of the following brain waves are considered abnormal in an awake adult human a. alpha...

Which of the following brain waves are considered abnormal in an awake adult human

a.

alpha
b.

beta
c.

delta
d.

All of the above
e.

None of the above
Science   Anatomy-And-Physiology   
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Homework Answers

Answer #1

Answer - c. delta waves

The delta waves in the brain are associated with deep sleep. They are not present in awake individuals. The beta waves occur when the individual is well alert and awake and is active towards the surroundings. Alpha waves are synchronised waves when the person is resting, not in sleep and is awake, but resting with eyes closed. The theta waves occur when the person is in a sleep transition phase, in sleep or awake and are generated from the region of hypothalamus. Only the delta waves are the true sleep waves which occur when the person is in the state of deep sleep. The delta waves are large and slow waves.

Hence, option C is the correct answer.

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