EEG investigation of brain bioelectrical activity (regarding perception of multimodal polycode internet discourse)

Abstract

This paper considers the pilot experiment regarding the perception functioning of various brain areas channels in respect of multimodal polycode Internet discourses. The investigation focuses on three variants of EEG-analysis: solely auditory, exclusively visual and integrative auditory-visual perception. Regarding functional properties, it has been found that brain bioelectrical activity and all brain rhythm power values are dependent on the type of mental modality: visualization, audition and integrative stimuli perception. The experiment included a number of special tests involving perception of polycode Internet discourse, where subjects’ brain bioelectrical activity dynamics were evaluated on the basis of EEGs. The frequency spectra were calculated in the special “Typology” program. The primary aim of this experiment was to find out what kind of Internet stimuli (auditory, visual and complex ones) have the greatest influence on all brain rhythm power values. The interpretation of the results may help in studying the influence on the brain areas observed during participation of young users (18–25 years old) in polycode Internet discourses. In the first series of experiments, differences in the brain bioelectrical activity dynamics were studied. The purpose was to evaluate how the brain performs auditory, visual and auditory-visual complex analyses with two indicators – positive and negative ones – of the brain area activity.