We measured time parameters of the cognitive components in the auditory evoked potentials in professional musicians and non-musicians in order to determine electrophysiological correlates of the information processing rate and differentiation of the stimuli in such examined groups. It was found that the latencies of components N2 and Р3 were, on average, shorter in subjects that professionally practice music than those in non-musicians; at the same time, there were no differences between the peak-to-peak N2-P3 amplitudes in these groups. The revealed regularities can indicate that central processes of differentiation of auditory stimuli in musicians are realized more rapidly, and, correspondingly, the processing of the obtained information is quicker.
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