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Reconfiguration of functional brain networks underlying the distinctions between automatic and controlled handwriting

Abstracts

This study aimed to examine the brain mechanisms underlying the distinctions between automatic and controlled handwriting. Functional magnetic resonance imaging data were collected while adult participants (n = 53) performed a copying task with varying speed control demands. Network analysis showed significant differences in functional connectivity within and between the frontoparietal network (FPN), the default mode network (DMN), the dorsal attention network (DAN), the somatomotor network (SMN) and the visual network (VN) between automatic and speed-controlled handwriting irrespective of written materials, which are thought to reflect general executive control and task-relevant visuomotor operations. However, there were no differences in brain activation between automatic and controlled handwriting. These results suggest that reconfiguration of functional network architecture, rather than regional activation, underlies the dissociations between automatic and controlled handwriting. Our findings shed new light on the neural mechanisms of handwriting mastery and handwriting impairments in individuals with neurological disorders.
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From: 杨炀
DOI:10.12074/202006.00172
Recommended references: Junjun LI,Lei HONG,Hong-yang BI,Yang YANG.(2020).Reconfiguration of functional brain networks underlying the distinctions between automatic and controlled handwriting.[ChinaXiv:202006.00172] (Click&Copy)
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[V1] 2020-06-17 14:22:12 chinaXiv:202006.00172V1 Download
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