Analysis of the stable correlation of asymmetry of the acoustic stem evoked potentials intervals with parameters of bimanual coordination was performed. Different mechanisms of the auditory asymmetry at the stem level were found in men and women. Optimum bimanual performance in men is provided by adequate co-adjustment of sensor-motor system elements, and is connected with sensory input and the feature of its bilateral irradiation through the right input. The left channel input and its sensory asymmetry is much more important in women. Bilateral irradiation in this case does not lead to adequate integration of the systems elements in performance of the motor task, that indicates the lower level of bimanual coordination.
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