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biological

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alpha rhythm

alpha rhythm Alpha rhythm is a pattern of brain-wave activity with relatively high amplitude and a frequency of 8 to 13 hertz.

Alpha rhythm is a pattern of brain-wave activity with relatively high amplitude and a frequency of 8 to 13 hertz. It is commonly seen on an EEG over the parietal and occipital areas when a person is awake, relaxed, and has their eyes closed.