List the brain waves and describe when you would expect to find them in a patient.

List the brain waves and describe when you would expect to find them in a patient.

Expert Solution

The 5 brainwaves are the Gamma, Beta, Alpha, Theta and Delta arranged from fastest to slowest brain waves. Brainwave speed is measured in Hertz (cycles per second).

1. Gamma greater than 30(Hz)
2. BETA (13-30Hz)
3. ALPHA (8-12 Hz)
4. THETA (4-8 Hz)
5. DELTA(less than 4 Hz).

An electroencephalogram (EEG) is a test that detects electrical activity in brain using small, metal discs (electrodes) attached to scalp. brain cells communicate via electrical impulses and are active all the time, even when person is asleep. This activity shows up as wavy lines on an EEG recording.

An EEG might also be helpful for diagnosing or treating the following disorders:

•Brain tumor
•Brain damage from head injury
•Brain dysfunction that can have a variety of causes (encephalopathy)
•Inflammation of the brain (encephalitis)
•Stroke
•Sleep disorders

Nightingale answered 2 years ago

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