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  • Title: [The effect of the level of consciousness on the spatial organization of cortical activity in mental processes].
    Author: Sviderskaia NE, Korol'kova TA, Selitskiĭ GV.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1990; 40(5):934-43. PubMed ID: 1964340.
    Abstract:
    In the present study the influence of the level of consciousness on spatial organization of the cortical functional activity in human psychic processes was investigated. For regulation of the level of consciousness models were used of hypnotic analgesia, automatization of intellectual actions and mental activity in hypnotic state. Evaluation of the mosaic of the cortical activity was made by parameters of spatial synchronization of the potentials with topographic mapping of crosscorrelation, spectral and coherent-phasic EEG characteristics. The obtained data allow to conclude about special role of the frontal areas of the left hemisphere in the process of realization of information. It has been shown that one of the main functions in neurophysiological structure of consciousness is the selection of signals according to dominating motivation. The frontal areas of the left hemisphere control the degree of inclusion of foci of increased activity, specific and non-specific for each type of activity, and possibly, regulate the way of transformation of the information.
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