The study of language processing is one of the core research areas, commonly concerned by cognitive psychology, neuroscience, linguistics, and pedagogy. So far, most psycholinguistic research has largely focused on language output processes (i.e., listening and speaking). Writing, as an important way of expressing ideas and information transfer, has largely ignored by psycholinguistics. In the present project, we will investigate the cognitive processes underlying written word production and their time course, using both behavioural and electrophysiological techniques. Specifically, we will explore: 1) whether written production involves phonological encoding; 2) whether written production involves morpheme encoding; 3) the time course of lexical retrieval, semantic encoding, phonological encoding, and orthographic encoding underlying written word production. This project constitutes the first attempt to systematically investigate the cognitive processes and temporal dynamics of written production. The findings of the present project will not only improve our understanding of how individuals produce written words in mind/brain, and also provide insights into the construction and development of theoretical and computational models. In addition, the findings will provide some psychological basis for scientific teaching approaches, the diagnosis and treatment of dyslexia and dysgraphia.
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