Fiber pathways supporting early literacy development in 5-8-year-old children

被引：20

作者：

Broce, Iris Janet ^{[1
]}

Bernal, Byron ^{[2
,3
]}

Altman, Nolan ^{[2
]}

Bradley, Catherine ^{[4
]}

Baez, Natalie ^{[5
]}

Cabrera, Luis ^{[6
]}

Hernandez, Gretter ^{[5
]}

De Feria, Anna ^{[6
]}

Dick, Anthony Steven ^{[5
]}

机构：

[1] Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA

[2] Nicklaus Childrens Hosp, Dept Radiol, Miami, FL USA

[3] Nicklaus Childrens Hosp, Inst Brain, Miami, FL USA

[4] Tampa Gen Hosp, Tampa, FL 33606 USA

[5] Florida Int Univ, Dept Psychol, Miami, FL 33199 USA

[6] Coll Osteopath Med, New York Inst Technol, Jonesboro, AR USA

来源：

BRAIN AND COGNITION | 2019年 / 134卷

关键词：

Early literacy; Diffusion-weighted imaging; Inferior longitudinal fasciculus; Arcuate fasciculus; Inferior fronto-occipital fasciculus; Vertical occipital fasciculus; ANTERIOR TEMPORAL-LOBE; WHITE-MATTER; DIFFUSION TENSOR; ARCUATE FASCICULUS; PHONOLOGICAL AWARENESS; MEAN DIFFUSIVITY; RIGHT-HEMISPHERE; SEMANTIC SYSTEM; NEURAL-NETWORK; LANGUAGE;

D O I：

10.1016/j.bandc.2018.12.004

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

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 crosssectional 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.

引用

页码：80 / 89

页数：10

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