Sara J. Powers|Yingying Wang|Sara Beach|Georgios D. Sideridis|Nadine Gaab
Examining the relationship between home literacy environment and neural correlates of phonological processing in beginning readers with and without a familial risk for dyslexia: an fMRI study
Boston Children's Hospital|Boston Children's Hospital|Harvard University|Boston Children's Hospital|Boston Children's Hospital
developmental dyslexia languagebased learning disability characterized persistent difficulty learning read understanding genetic contributions emerging ways environment affects brain functioning children developmental dyslexia poorly understood relationship home literacy environment hle neural correlates reading identified typically developing children yet remains unclear whether similar effects observable children genetic predisposition dyslexia understanding environmental contributions important given understand genetically atrisk children develop dyslexia investigate first time relationship hle neural correlates phonological processing beginning readers fhd n 29 without fhd n 21 family history developmental dyslexia controlled socioeconomic status isolate neurobiological mechanism hle affects reading development group differences revealed stronger correlation hle brain activation left inferiormiddle frontal right fusiform gyri fhd compared fhd children suggesting greater impact hle manipulation phonological codes recruitment orthographic representations typically developing children contrast activation right precentral gyrus showed significantly stronger correlation hle fhd compared fhd children suggesting emerging compensatory networks genetically atrisk children overall results suggest genetic predisposition dyslexia alters contributions hle early reading skills formal reading instruction important implications educational practice intervention models