Margaret M. Gullick|James R. Booth
The direct segment of the arcuate fasciculus is predictive of longitudinal reading change
Northwestern University|Northwestern University
structural coherence across arcuate fasciculus previously related reading skill arcuate may divisible distinct subtracts support different functions examine longitudinal data 30 children ages 8 14 determine whether initial coherence arcuates subsections predictive changes reading across longitudinal interval approximately three years arcuate divided using probabilistic tractography mean fractional anisotropy across subtract extracted participant time 1 time 2 change reading skill identification fluency score average significantly uniquely predicted direct frontotemporal arcuate segment coherence participants lower direct segment fa demonstrated decreases reading scores potentially reflecting lessened improvements due continued inefficient processing results consistent older younger halves sample demonstrate specifically direct segment arcuate may support predictive reading skill initially longitudinally across development