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Updated: Jan 31, 2026

Electrophysiological Recordings from the Giant Fiber Pathway of D. melanogaster
Published on: January 14, 2011
Fiber pathways supporting early literacy development in 5-8-year-old children
Iris Janet Broce1, Byron Bernal2, Nolan Altman3
1Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA.
Abstract:
The development of fluent reading is an extended process that requires the recruitment of a comprehensive system of perisylvian brain regions connected by an extensive network of fiber pathways. In the present cross-sectional study, we focused on fiber pathways-the arcuate fasciculus (AF), inferior longitudinal fasciculus (ILF), inferior fronto-occipital fasciculus (IFOF), and vertical occipital fasciculus (VOF)-proposed to support early literacy in typical 5-8-year-old children. We related quantitative metrics of fiber pathway microstructure in these pathways to early literacy measures of phonological awareness and decoding. We found that diffusion properties of the AF, ILF, and VOF not only show age-related differences, but also are predictive of early literacy skills after controlling for the effects of age, general white matter development, sex, IQ, and phonological skill. Perhaps most novel, we provide evidence supporting the involvement of the recently re-identified VOF in early literacy, and further, we provide evidence that a bilateral network of fiber pathways supports early literacy development.
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