Manual dexterity: functional lateralisation patterns and motor efficiency

Serrien, Debroah J. and Sovijärvi-Spapé, Michiel M. (2016) Manual dexterity: functional lateralisation patterns and motor efficiency. Brain and Cognition, 108 . pp. 42-46. ISSN 1090-2147

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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.

Item Type: Article
Keywords: Motor control; Handedness; EEG; Functional connectivity
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Psychology
Identification Number:
Depositing User: Serrien, Dr Deborah
Date Deposited: 14 Oct 2016 09:07
Last Modified: 16 Oct 2017 21:59

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