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. 2020 Jul 28;11:1810. doi: 10.3389/fpsyg.2020.01810

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Copyright © 2020 Ose Askvik, van der Weel and van der Meer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Average results of all participants for typewriting, handwriting, and drawing in (A) adults and (B) children, in the parietal and central regions: PM, parietal midline; PR, parietal right; PL, parietal left; CM, central midline. For the adults, these areas showed event-related synchronization (ERS) in the theta (4–8 Hz) range for handwriting and event-related desynchronization (ERD) activity in the theta (4–8 Hz) and, to a lesser extent, in the alpha (8–12 Hz) range for typewriting. For drawing, event-related synchronization (ERS) was apparent in the theta (4–8) range in parietal midline as for handwriting. In addition, event-related desynchronization (ERD) activity was apparent in the alpha (8–12 Hz) and beta (12–30 Hz) range. The same patterns were observed, though to a lesser extent, in the children.