Abstract
There are the preliminary results of the research of interhemispheric asymmetry of cerebral hemodynamics during the performance of auditory-verbal and visual memory tasks with the use of functional transcranial doppler ultrasound (fTCD). The fTCD is considered as a non-invasive and objective method for assessment the dominant hemisphere for verbal functions. The aim of two experiments was to analyze the effect of a) different types of verbal and nonverbal tasks and b) the conditions of the mnestic activity performance (memorize and recognize) on the changes of blood flow velocity in left and right hemispheres in 62 healthy subjects. There are preliminary results of possible application fTCD to identify the dominant hemisphere for speech functions with combination of concrete verbal cognitive tasks and condition of its presentation.
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