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The electro encephalogram in centenarians


Electroencephalography and Clinical Neurophysiology 40(4): 407-417
The electro encephalogram in centenarians
The EEGs of 10 centenarians were described. In most healthy centenarians posterior dominant rhythms are within the lower part of the .alpha. range (average 8.62 Hz). Although slowing of the posterior dominant rhythm at age 100 is greater than in younger groups, there was no evidence of a progressive decrease in frequency during the 2 decades between 80-100 yr. Most records of centenarians contained other abnormalities, either of diffuse slowing or of slow wave foci, the latter most often in the left temporal area. The relationship of the observed EEG changes to the process of aging as distinct from reduced cerebral metabolism and blood flow resulting from disease is discussed.

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Accession: 006670223



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