Disrupted left fusiform response to print in beginning kindergartners is associated with subsequent reading

NeuroImage. Clinical
Tracy M CentanniJohn D E Gabrieli

Abstract

Dyslexia is a common neurobiological disorder in which a child fails to acquire typical word reading skills despite adequate opportunity and intelligence. The visual word form area (VWFA) is a region within the left fusiform gyrus that specializes for print over the course of reading acquisition and is often hypoactivated in individuals with dyslexia. It is currently unknown whether atypicalities in this brain region are already present in kindergarten children who will subsequently develop dyslexia. Here, we measured fMRI activation in response to letters and false fonts in bilateral fusiform gyrus in children with and without risk for dyslexia (defined by family history or low scores on assessments of pre-reading skills, such as phonological awareness). We then followed these children longitudinally through the end of second grade to evaluate whether brain activation patterns in kindergarten were related to second-grade reading outcomes. Compared to typical readers who exhibited no risk factors for reading impairment in kindergarten, there was significant hypoactivation to both letters and false-fonts in the left fusiform gyrus in at-risk children who subsequently developed reading impairment, but not in at-risk children who ...Continue Reading

Citations

May 26, 2020·Human Brain Mapping·Dardo Tomasi, Nora D Volkow
Oct 23, 2020·Developmental Cognitive Neuroscience·Johanna LiebigUNKNOWN LEGASCREEN Consortium
Feb 9, 2021·Frontiers in Human Neuroscience·John R Kershner
Feb 3, 2021·NPJ Science of Learning·Katarzyna ChylKatarzyna Jednoróg
Mar 25, 2021·Brain Structure & Function·Agnieszka DębskaKatarzyna Jednoróg
Jul 20, 2021·Developmental Science·Curtis OstertagCatherine Lebel
Jun 25, 2021·Annual Review of Vision Science·Jason D Yeatman, Alex L White
Sep 28, 2021·Frontiers in Computational Neuroscience·Laura Tomaz Da SilvaAugusto Buchweitz
Nov 28, 2021·Scientific Reports·Heida Maria SigurdardottirEydis Thuridur Halldorsdottir

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