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cognition

Judged: two independent readers; copy check clear.

alpha

alpha In this context, alpha refers to the alpha rhythm seen on an EEG, a pattern of brain activity that typically becomes weaker when the eyes are opened.

In this context, alpha refers to the alpha rhythm seen on an EEG, a pattern of brain activity that typically becomes weaker when the eyes are opened. Changes in this alpha response, called alpha reactivity, have been studied as a possible marker of cognitive aging and some dementias.