Neural organization of ventral white matter tracts parallels the initial steps of reading development: A DTI tractography study

Brain and Language
Jolijn VanderauweraPol Ghesquière

Abstract

Insight in the developmental trajectory of the neuroanatomical reading correlates is important to understand related cognitive processes and disorders. In adults, a dual pathway model has been suggested encompassing a dorsal phonological and a ventral orthographic white matter system. This dichotomy seems not present in pre-readers, and the specific role of ventral white matter in reading remains unclear. Therefore, the present longitudinal study investigated the relation between ventral white matter and cognitive processes underlying reading in children with a broad range of reading skills (n = 61). Ventral pathways of the reading network were manually traced using diffusion tractography: the inferior fronto-occipital fasciculus (IFOF), inferior longitudinal fasciculus (ILF) and uncinate fasciculus (UF). Pathways were examined pre-reading (5-6 years) and after two years of reading acquisition (7-8 years). Dimension reduction for the cognitive measures resulted in one component for pre-reading cognitive measures and a separate phonological and orthographic component for the early reading measures. Regression analyses revealed a relation between the pre-reading cognitive component and bilateral IFOF and left ILF. Interestingly, ...Continue Reading

Citations

Jul 26, 2018·Frontiers in Psychology·Gojko ŽarićMilene Bonte
Nov 2, 2020·Developmental Cognitive Neuroscience·Astrid De VosJan Wouters
Jul 25, 2020·Neuropsychologia·Caroline Vander StappenMarie Van Reybroeck
Nov 17, 2020·Frontiers in Human Neuroscience·Christian BeaulieuCornelia Laule
Feb 3, 2021·NPJ Science of Learning·Katarzyna ChylKatarzyna Jednoróg
Mar 25, 2021·NeuroImage·Cornelius WeillerKarl Egger
Nov 4, 2021·Brain Structure & Function·Stephanie J ForkelHenrietta Howells

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