Mengmeng Su|Michel Thiebaut de Schotten|Jingjing Zhao|Shuang Song|Wei Zhou|Gaolang Gong|Catherine McBride|Twila Tardif|Franck Ramus|Hua Shu
Influences of the early family environment and long-term vocabulary development on the structure of white matter pathways: A longitudinal investigation
Capital Normal University|Allen Institute for Brain Science|Institut du Cerveau|Shaanxi Normal University|Capital Normal University|Capital Normal University|Beijing Normal University|Chinese University of Hong Kong|University of Michigan–Ann Arbor|Laboratoire de Sciences Cognitives et Psycholinguistique|Beijing Normal University
present longitudinal study investigated joint effect early family factors longterm vocabulary development structure readingrelated white matter pathways adolescents seventynine children participated study family environment measured via parental questionnaire age 1 age 3 age 4 age 10 childrens vocabulary skills tested annually age 14 diffusion tensor imaging data children collected using individualbased tractography 10 readingrelated tracts two hemispheres delineated different family factors found correlated different pathways age literacy exposure correlated fractional anisotropy direct segment left arcuate fasciculus association trend found early family socioeconomic status fractional anisotropy left inferior frontal occipital fasciculus regression analyses showed age literacy exposure modulated relationships vocabulary development structure left arcuate fasciculus specifically earlier literacy exposure group association found vocabulary development strength arcuate fasciculus whereas later literacy exposure group significant associations found vocabulary development strength arcuate fasciculus