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Speeding-up while growing-up: synchronous functional development of motor and non-motor processes across childhood and adolescence.

Abstract : Describing the maturation of information processing in children is fundamental for developmental science. Although non-linear changes in reaction times have been well-documented, direct measurement of the development of the different processing components is lacking. In this study, electromyography was used to quantify the maturation of premotor and motor processes on a sample of 114 children (6-14 years-old) and 15 adults. Using a model-based approach, we show that the development of these two components is well-described by an exponential decrease in duration, with the decay rate being equal for the two components. These findings provide the first unbiased evidence in favour of the common developmental rate of nonmotor and motor processes by directly confronting rates of development of different processing components within the same task. This common developmental rate contrasts with the differential physical maturation of region-specific cerebral gray and white matter. Tentative paths of interpretation are proposed in the discussion.
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https://hal.archives-ouvertes.fr/hal-03339308
Contributor : Boris Burle Connect in order to contact the contributor
Submitted on : Saturday, September 18, 2021 - 10:43:45 PM
Last modification on : Tuesday, October 19, 2021 - 10:59:50 PM
Long-term archiving on: : Sunday, December 19, 2021 - 6:17:14 PM

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Kamila Śmigasiewicz, Mathieu Servant, Solène Ambrosi, Agnès Blaye, Boris Burle. Speeding-up while growing-up: synchronous functional development of motor and non-motor processes across childhood and adolescence.. PLoS ONE, Public Library of Science, 2021, 16 (9), pp.e0255892. ⟨10.1371/journal.pone.0255892⟩. ⟨hal-03339308⟩

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