Upregulation of cortico-cerebellar functional connectivity after motor learning

NeuroImage
Saeid MehrkanoonJeffery J Summers

Abstract

Interactions between the cerebellum and primary motor cortex are crucial for the acquisition of new motor skills. Recent neuroimaging studies indicate that learning motor skills is associated with subsequent modulation of resting-state functional connectivity in the cerebellar and cerebral cortices. The neuronal processes underlying the motor-learning-induced plasticity are not well understood. Here, we investigate changes in functional connectivity in source-reconstructed electroencephalography (EEG) following the performance of a single session of a dynamic force task in twenty young adults. Source activity was reconstructed in 112 regions of interest (ROIs) and the functional connectivity between all ROIs was estimated using the imaginary part of coherence. Significant changes in resting-state connectivity were assessed using partial least squares (PLS). We found that subjects adapted their motor performance during the training session and showed improved accuracy but with slower movement times. A number of connections were significantly upregulated after motor training, principally involving connections within the cerebellum and between the cerebellum and motor cortex. Increased connectivity was confined to specific frequen...Continue Reading

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Citations

Sep 11, 2019·The Journal of Nervous and Mental Disease·Andrea EscelsiorMario Amore
Mar 3, 2020·Human Brain Mapping·John G SamuelssonMatti S Hämäläinen
Sep 19, 2019·Journal of Clinical Medicine·Antonino NaroRocco Salvatore Calabrò
Feb 23, 2018·Frontiers in Aging Neuroscience·Elena Solesio-JofreStephan P Swinnen
Jul 8, 2020·NeuroImage·Elinor TzviUlrike M Krämer
May 8, 2018·NeuroImage·Aurélie L ManuelArmin Schnider
Mar 21, 2021·BMC Sports Science, Medicine and Rehabilitation·Ming-An LinJiunn-Woei Liaw
Jun 16, 2021·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·M P VeldmanT Hortobágyi

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