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Article Dans Une Revue eLife Année : 2023

Spatiotemporal organization of human sensorimotor beta burst activity

Résumé

Beta oscillations in human sensorimotor cortex are hallmark signatures of healthy and pathological movement. In single trials, beta oscillations include bursts of intermittent, transient periods of high-power activity. These burst events have been linked to a range of sensory and motor processes, but their precise spatial, spectral, and temporal structure remains unclear. Specifically, a role for beta burst activity in information coding and communication suggests spatiotemporal patterns, or travelling wave activity, along specific anatomical gradients. We here show in human magnetoencephalography recordings that burst activity in sensorimotor cortex occurs in planar spatiotemporal wave-like patterns that dominate along two axes either parallel or perpendicular to the central sulcus. Moreover, we

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Neurosciences
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hal-03868894 , version 1 (24-11-2022)
hal-03868894 , version 2 (22-11-2023)

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Catharina Zich, Andrew J Quinn, James J Bonaiuto, George O’neill, Lydia C Mardell, et al.. Spatiotemporal organization of human sensorimotor beta burst activity. eLife, 2023, ⟨10.1101/2022.05.19.492617⟩. ⟨hal-03868894v2⟩
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