https://doi.org/10.1140/epjs/s11734-026-02365-0
Regular Article
Effects of traumatic brain injury on interhemispheric and intrahemispheric EEG coherence in adolescents
1
Saratov State University, Astrakhanskaya Str. 83, 410012, Saratov, Russia
2
Regional Scientific and Educational Mathematical Center “Mathematics of Future Technologies”, 410012, Saratov, Russia
3
Privolzhsky Research Medical University, Minin and Pozharsky Sq. 10/1, 603950, Nizhny Novgorod, Russia
4
Research Institute of Applied Artificial Intelligence and Digital Solution, Plekhanov Russian University of Economics, Stremyanny per. 36, 117997, Moscow, Russia
a
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Received:
22
March
2026
Accepted:
27
April
2026
Published online:
5
May
2026
Abstract
This paper examines how traumatic brain injury (TBI) affects the coherence of brain rhythms across different electrode pairs during the sleep–wake cycle. Stronger distinctions are observed for intrahemispheric compared to interhemispheric interactions. The direction of change in average coherence following TBI is found to depend on the location of the electrode pair, specifically whether the electrodes were positioned over anterior or posterior regions of the head. These findings suggest that a coherence-based approach is useful for monitoring recovery after brain injury.
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© The Author(s), under exclusive licence to EDP Sciences, Springer-Verlag GmbH Germany, part of Springer Nature 2026
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
