Which brain rhythm is most associated with relaxed wakefulness with closed eyes?
Quick Answer
Alpha waves are most associated with relaxed wakefulness, especially when the eyes are closed. They are commonly seen in the 8 to 12 Hz range.
The Full Story
Alpha waves are a type of brainwave typically observed when a person is awake but relaxed, often with closed eyes and minimal mental effort. They are commonly measured by electroencephalography, or EEG, and usually fall in the 8 to 12 hertz range. Alpha activity often decreases when someone opens their eyes or starts actively concentrating. Brainwave research has helped scientists study attention, relaxation, and sleep transitions. While alpha waves are not the only rhythm in the brain, they are among the best known.
Key Facts
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