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Abstract The impact of central on peripheral writing processes has been studied mainly in adults and children whose first language is a deep orthographic system. The results suggest that the influence varies according to age, but it also could depend on the orthographic system. The objective of the present work was to address the possible impact of the central (orthographic retrieval) on peripheral (motor execution) processes during writing acquisition in a transparent orthography. To achieve the objective, seventy-five Spanish children performed a copying and a spelling-to-dictation task, where orthographic consistency, lexical frequency and word length were manipulated. The results suggest that the central processes influence the peripheral ones from an early age (when writing has not yet been automated). Specifically, orthographic consistency cascaded into movement production, but it was modulated by task and grade, as this effect was only evident for 2nd grade children when they were asked to perform a spelling-to-dictation task. [ABSTRACT FROM AUTHOR]