Abnormal cerebral electrogenesis is associated with impaired cognitive performance in hypertensive patients

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Systemic hypertension has been associated with impairment in cognitive performance, and both structural and functional brain abnormalities.1The electroencephalogram (EEG) is a cheap and noninvasive investigation, but virtually no information is available on the effects of high blood pressure, if any, on cerebral electrogenesis. Here, we show that low-amplitude EEG is considerably more common in hypertensive patients than in the general population, and associated with cognitive impairment.

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