Abstract
In the study of the amplitude spectrum of the EEG in patients diagnosed with COVID-19 and in the control group of subjects with olfactory stimulation, changes in spectral characteristics were revealed. It is shown that COVID-19 patients, compared with the control, are characterized by a reduced amplitude of the Δ-rhythm, a reduced amplitude of β1, an increase in the amplitude in the range of α1-, α2-rhythms with a pronounced accent in the right hemisphere, as well as an increase in the amplitude in the β-range in the parietal-occipital region. These changes may indicate an increase in the nonspecific functional activity of the cerebral cortex.
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