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The role of dorsal and ventral white matter tracts in phonological and semantic processing of language in pre-readers and beginning readers.
- AVANTIKA MATHUR
- Huijia Zheng
- Yingying Wang
- Marjolein Mues
- James R. Booth
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Description: The present study aims to investigate whether there is a double dissociation between the functions of dorsal and white matter tracts in pre-readers (5-6 years old) and beginning readers (7-8 years old). We expect that there would be strong evidence for phonological specialization in the dorsal tracts in pre-readers and strong evidence in semantic specialization in the ventral tracts in beginning readers. Our emphasis will be on the left hemisphere, given the more consistent findings regarding the role of tracts in the left hemisphere for language processing (Shekari & Nozari, 2023). In both groups, we hypothesize that the AF would be uniquely related to phonological processing, while the IFOF would be uniquely related to semantic processing. For the SLF and ILF, no firm hypothesis can be formulated for both groups given its inconclusive role in phonological or semantic processing (Broce et al., 2019; Saygin et al., 2013; Vanderauwera et al., 2018).