Kimberly Clark|Turid Helland|Karsten Specht|Katherine L. Narr|Franklin R. Manis|Arthur W. Toga|Kenneth Hugdahl
Neuroanatomical precursors of dyslexia identified from pre-reading through to age 11
University of Southern California|UiT The Arctic University of Norway|University of Bergen|University of Bergen|Haukeland University Hospital|University of California, Los Angeles|University of Southern California|University of Southern California|University of Bergen|Haukeland University Hospital
developmental dyslexia common reading disorder negatively impacts individuals ability achieve literacy although brain network involved reading dysfunction dyslexia well studied unknown whether dyslexia caused structural abnormalities reading network lowerlevel networks provide input reading network study acquired structural magnetic resonance imaging scans longitudinally 27 norwegian children formal literacy training began dyslexia diagnosed thus able determine primary neuroanatomical abnormalities precede dyslexia reading network rather lowerlevel areas responsible auditory visual processing core executive functions abnormalities reading network observed age 11 children learned read findings suggest abnormalities reading network consequence different reading experiences rather dyslexia per se whereas neuroanatomical precursors predominantly primary sensory cortices