We evaluated the relationship between brain rhythmicity and both the cerebrovascular damage (CVD) and amigdalo-hippocampal complex (AHC) atrophy, as revelaled by scalp electroencephalography (EEG) in a cohort of subjects with mild cognitive impairment (MCI). The CVD group, with 99 subjects, and the AHC atrophy group with and 79 subjects. All MCI subjects (Mini-Mental State Examination [MMSE] mean score 26.6) underwent EEG recording and magnetic resonance imaging (MRI). EEGs were recorded at rest. Relative power was separately computed for delta, theta, alpha1, alpha2, and alpha3 frequency bands. In the spectral bandpower the severity of CVD was associated with increased delta power and decreased alpha2 power.
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