Abstract
Modality-specific and supramodal EEG components that are related to the reorientation of involuntary anticipatory attention from the internal to the external type were studied by comparing the unblocking of the visual and acoustic channels. EEG recording was performed while subjects were at rest with their eyes open, with their eyes closed, or with their eyes closed while using noise-protective earplugs. The means of both the EEG power in each of the derivations and EEG coherence in each of the derivation pairs were calculated for every subject and for each of the states. The estimations have been done for the Δ, θ, α1, α2, β1, β2, and γ frequency bands. The obtained data proved the hypothesis on the manifestation of both modality-specific and supramodal components in the brain mechanisms of involuntary anticipatory attention. These results are of interest for discussion on the degree of similarity and distinction between the systemic supports of the brain mechanisms of visual and auditory attention.
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Original Russian Text © Yu.A. Boitsova, S.G. Danko, 2011, published in Fiziologiya Cheloveka, 2011, Vol. 37, No. 2, pp. 129–132.
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Boitsova, Y.A., Danko, S.G. EEG changes upon unblocking of the acoustic and visual channels. Hum Physiol 37, 240–242 (2011). https://doi.org/10.1134/S0362119711020022
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DOI: https://doi.org/10.1134/S0362119711020022