Brain Waves
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In all stages of consciousness, whether asleep or fully alert, the brain is always functioning. This means electricity is moving in waves throughout the brain at all times. Alpha waves are the type of brain waves associated with conscious relaxation. These waves originate primarily in the visual processing center of the brain and are so strong that they can be easily seen with the naked eye on an electroencephalography (EEG), a machine that measures brain wave patterns.
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