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Journal Articles iScience Year : 2023

Measuring Neuronal Avalanches to inform Brain-Computer Interfaces

Leonardo L. Gollo
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Sophie Dupont
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Danielle S Bassett
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Viktor Jirsa

Abstract

Large-scale interactions among multiple brain regions manifest as bursts of activations called neuronal avalanches, which reconfigure according to the task at hand and, hence, might constitute natural candidates to design brain-computer interfaces (BCI). To test this hypothesis, we used source-reconstructed magneto/electroencephalography, during resting state and a motor imagery task performed within a BCI protocol. To track the probability that an avalanche would spread across any two regions we built an avalanche transition matrix (ATM) and demonstrated that the edges whose transition probabilities significantly differed between conditions hinged selectively on premotor regions in all subjects. Furthermore, we showed that the topology of the ATMs allows task-decoding above the current gold standard. Hence, our results suggest that Neuronal Avalanches might capture interpretable differences between tasks that can be used to inform braincomputer interfaces.
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Dates and versions

hal-04345847 , version 1 (14-12-2023)
hal-04345847 , version 2 (27-01-2024)

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Marie-Constance Corsi, Pierpaolo Sorrentino, Denis P Schwartz, Nathalie George, Leonardo L. Gollo, et al.. Measuring Neuronal Avalanches to inform Brain-Computer Interfaces. iScience, 2023, 27 (1), pp.108734. ⟨10.1016/j.isci.2023.108734⟩. ⟨hal-04345847v2⟩
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