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Manual dexterity: functional lateralisation patterns and motor efficiency

Serrien, Debroah J.; Sovijärvi-Spapé, Michiel M.

Authors

Michiel M. Sovijärvi-Spapé



Abstract

Manual tasks are an important goal-directed ability. In this EEG work, we studied how handedness affects the hemispheric lateralisation patterns during performance of visually-driven movements with either hand. The neural correlates were assessed by means of EEG coherence whereas behavioural output was measured by motor error. The EEG data indicated that left- and right-handers showed distinct recruitment patterns. These involved local interactions between brain regions as well as more widespread associations between brain systems. Despite these differences, brain-behaviour correlations highlighted that motor efficiency depended on left-sided brain regions across groups. These results suggest that skilled hand motor control relies on different neural patterns as a function of handedness whereas behavioural efficiency is linked with the left hemisphere. In conclusion, the present findings add to our understanding about principles of lateralised organisation as a function of handedness.

Citation

Serrien, D. J., & Sovijärvi-Spapé, M. M. (in press). Manual dexterity: functional lateralisation patterns and motor efficiency. Brain and Cognition, 108, https://doi.org/10.1016/j.bandc.2016.07.005

Journal Article Type Article
Acceptance Date Jul 15, 2016
Online Publication Date Jul 27, 2016
Deposit Date Oct 14, 2016
Publicly Available Date Oct 14, 2016
Journal Brain and Cognition
Print ISSN 0278-2626
Electronic ISSN 1090-2147
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 108
DOI https://doi.org/10.1016/j.bandc.2016.07.005
Keywords Motor control; Handedness; EEG; Functional connectivity
Public URL http://eprints.nottingham.ac.uk/id/eprint/37558
Publisher URL http://www.sciencedirect.com/science/article/pii/S027826261630149X
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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