Dmytrotsa O. Evoked Potentials of brain cortex in conditions of voluntary and involuntary attention

The dissertation is devoted to teenagers brain cortex EP study, depending on attention current level (high, average, low) and a sexual accessory researched. Amplitude-time features EP characteristics at stages of information perception and processing, spatial distribution, activity focuses dynamics which shows inter- and intrahemispheric interactions and correlations in big hemispheres cortex at attention are determined and on this basis activation processes features in the big hemispheres are highlighted . In dynamics of stimulus information perception and processing early EP components - N30, Р60, intermediate - P130, N170 and late - P300 have the most informative value. It is shown, that teenagers brain EP parameters dynamics at consecutive stages of stimulus perception and processing shows that voluntary and involuntary attention formation mechanisms are unriped, though attention organization structure-functional rules already layed.