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Is the fine motor–executive functions link stronger for new compared to repeated fine motor tasks?

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Although the motor–executive function (EF) link is actively being investigated, there remain open questions surrounding why some studies found associations between specific motor and specific EF tasks, while others did… Click to show full abstract

Although the motor–executive function (EF) link is actively being investigated, there remain open questions surrounding why some studies found associations between specific motor and specific EF tasks, while others did not. Furthermore, it is also yet unknown which factors impact the magnitude of the motor–EF link. Findings from neuroimaging studies have proposed that neural activity in networks that are important for motor and cognitive tasks is especially strong when a task is new. In the present behavioral study, we systematically investigated the impact that task novelty had on the motor–EF link. In our study, n = 124 kindergarten children aged five to six administered in a within-subject design three fine motor tasks of the Movement Assessment Battery for Children-2 (Posting Coins, Threading Beads, and Drawing Trail) twice in succession (new vs. repeated), and three EF tasks (adapted versions of a Flanker, a N-back, and the Advanced Dimensional Chance Card Sort task). Results not only replicated the fine motor–EF link, but also showed a significantly stronger association between EF and the new task compared to the repeated Drawing Trail task. However, for the time-based task of Posting Coins and Threading Beads, motor–EF associations did not differ between the new task and the repeated task. Future investigations of more than two repetitions will provide further insights into the assumption that the motor–EF link is mainly driven by the EF processes triggered when a task is new, demands attention, and requires fast and flexible adaptation.

Keywords: task; motor executive; motor; motor link; motor tasks; fine motor

Journal Title: PLoS ONE
Year Published: 2020

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