Российская академия наук


MRI AND EEG METHODS IN COGNITIVE STUDIES OF HUMAN BRAIN



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MRI AND EEG METHODS IN COGNITIVE STUDIES OF HUMAN BRAIN.

Kartashov S.I., Ushakov V.L., Zavyalova V.V., Marchenkov.N.S.

NRC «Kurchatov Institute», Moscow, Russia; kartashov_si@rrcki.ru
The main idea of this work is to create the most accurate techniques for the study of functional networks of the brain, such as systems of «mirror» neurons. This method combines MRI and EEG techniques to visualize the activity of cortical structures of the human brain and special software to post-process and analyze received data.

In researches of human brain cognitive processes widely used MRI and EEG methods, which allows to evaluate the dynamic pattern of behavior of cortical structures neural populations. In this work for investigation of functional networks were used such magnetic-resonance imaging protocols as: EPI-sequence to obtain a BOLD

signal (Blood Oxygen Level Dependent) and diffusion protocol for recovered rtactographic ways (DTI-Protocol). For more precise temporal dynamics of a useful signal changes simultaneous recording of EEG (64 and 128 channels) and MRI data was used.

In a framework of this method obtained MRI and EEG data from RI UCS and T was processed with Matlab, SPM8, a software package GIFT, CARET 5.62., BrainLock6, BLview, Loreta, Statistica 7.

As a result of the work following results were reached:

- correlation of dynamics of the cortical structures activation, according to the data received from the visualization systems «mirror» of neurons experiment, was revealed;

- tractographic ways were imposed on the received correlated areas of activated brain tissue.

- cognitive maps for the «mirror» neurons networks were built

Based on the obtained results it can be argued about the applicability of the methodology for the study of functional networks of the human brain.

This work was supported by RFBR grant 13-04-02036.

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