Changing functional connectivity during solving cognitive tasks: fNIRS study

A. A. Badarin; V. M. Antipov; Vadim V Grubov; S. A. Kurkin

doi:10.1117/12.2626381

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29 April 2022 Changing functional connectivity during solving cognitive tasks: fNIRS study

A. A. Badarin, V. M. Antipov, Vadim V Grubov, S. A. Kurkin

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Proceedings Volume 12194, Computational Biophysics and Nanobiophotonics; 121940L (2022) https://doi.org/10.1117/12.2626381
Event: XXV Annual Conference Saratov Fall Meeting 2021; and IX Symposium on Optics and Biophotonics, 2021, Saratov, Russian Federation

Abstract

In this paper, we present an analysis of the dynamics of functional connectivity of the cerebral cortical network using near-infrared spectroscopy during human solutions to simple cognitive tasks. A task-based on the Sternberg paradigm was chosen to provide a cognitive load. We identified statistically significant changes in the communication forces obtained on the basis of the analysis of oxyhemoglobin signals during the experiment. We found that in the course of the experiment, there is a restructuring of the functional network, which is accompanied by a decrease in the average connectivity strength between the cortical areas under study. We showed that there is a correlation between the subjective evaluation of fatigue degree and the characteristics of the identified functional neural network.

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A. A. Badarin, V. M. Antipov, Vadim V Grubov, and S. A. Kurkin "Changing functional connectivity during solving cognitive tasks: fNIRS study", Proc. SPIE 12194, Computational Biophysics and Nanobiophotonics, 121940L (29 April 2022); https://doi.org/10.1117/12.2626381

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KEYWORDS

Brain

Statistical analysis

Hemodynamics

Neuroimaging

Near infrared spectroscopy

Oxygen

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