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The emergence of dyslexia in the developing brain
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Kuhl, Ulrike, Neef, Nicole E., Kraft, Indra, Schaadt, Gesa, Dörr, Liane, Brauer, Jens, Czepezauer, Ivonne, Müller, Bent, Wilcke, Arndt, Kirsten, Holger, Emmrich, Frank, Boltze, Johannes, Friederici, Angela D. and Skeide, Michael A. (2020) The emergence of dyslexia in the developing brain. NeuroImage, 211 . 116633. doi:10.1016/j.neuroimage.2020.116633
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Official URL: https://doi.org/10.1016/j.neuroimage.2020.116633
Abstract
Developmental dyslexia, a severe deficit in literacy learning, is a neurodevelopmental learning disorder. Yet, it is not clear whether existing neurobiological accounts of dyslexia capture potential predispositions of the deficit or consequences of reduced reading experience. Here, we longitudinally followed 32 children from preliterate to school age using functional and structural magnetic resonance imaging techniques. Based on standardised and age-normed reading and spelling tests administered at school age, children were classified as 16 dyslexic participants and 16 controls. This longitudinal design allowed us to disentangle possible neurobiological predispositions for developing dyslexia from effects of individual differences in literacy experience. In our sample, the disorder can be predicted already before literacy learning from auditory cortex gyrification and aberrant downstream connectivity within the speech processing system. These results provide evidence for the notion that dyslexia may originate from an atypical maturation of the speech network that precedes literacy instruction.
| Item Type: | Journal Article | |||||||||
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| Subjects: | B Philosophy. Psychology. Religion > BF Psychology Q Science > QP Physiology R Medicine > RC Internal medicine R Medicine > RJ Pediatrics |
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| Divisions: | Faculty of Science > Life Sciences (2010- ) | |||||||||
| SWORD Depositor: | Library Publications Router | |||||||||
| Library of Congress Subject Headings (LCSH): | Dyslexia, Language disorders, Language disorders in children, Cognitive neuroscience, Developmental psychology | |||||||||
| Journal or Publication Title: | NeuroImage | |||||||||
| Publisher: | Elsevier | |||||||||
| ISSN: | 1053-8119 | |||||||||
| Official Date: | 1 May 2020 | |||||||||
| Dates: |
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| Date of first compliant deposit: | 3 March 2020 | |||||||||
| Volume: | 211 | |||||||||
| Article Number: | 116633 | |||||||||
| DOI: | 10.1016/j.neuroimage.2020.116633 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Publisher Statement: | ** Article version: VoR ** From Elsevier via Jisc Publications Router ** History: accepted 11-02-2020; epub 17-02-2020; issue date 01-05-2020. ** Licence for VoR version of this article starting on 11-02-2020: http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| RIOXX Funder/Project Grant: |
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