Catia Margarida Oliveira|Ana Paula Vale|Jenny Thomson
The relationship between developmental language disorder and dyslexia in European Portuguese school-aged children
University of York|University of Trás-os-Montes and Alto Douro|University of Sheffield
developmental language disorder dld also referred specific language impairment sli dyslexia neurodevelopmental disorders show similar behavioral manifestations study betweengroup comparisons frequency analysis combined investigate relationship dld dyslexia european portuguese children aged 710 years dld n 7 dyslexia n 11 recruited compared agematched typically developing td children n 21 phonological processing language andf literacy measures betweengroup comparison revealed phonological processing clinical groups scored significantly td children tasks yet dld group performed similarly td children ran speed digit span clinical groups statistically differ phonological processing abilities language abilities children dyslexia differ td children whilst children dld performed significantly td children measures significantly children dyslexia vocabulary finally literacy measures statistical differences clinical groups underperformed measures compared td children frequency analysis showed children dld exhibited lower prevalence ran difficulties compared children dyslexia whilst children dld tended show frequent nonword repetition phoneme deletion deficits additionally whilst children dld consistently showed prevalent language impairments clinical groups demonstrated similar prevalence rates literacy deficits compared td childrenthese findings lend support additional deficit model children dld show severe prevalent language impairments dyslexia despite similar phonological literacy difficulties