defining and differentiating dysgraphia, dyslexia, and language learning disability within a working memory model

by virginia w. berninger
in brain, behavior, an learning in language and reading disorders

"children with dyslexia have selective impairment in phonological awareness, but those with language learning disabilities have selective impairment in phonological, morphological (especially derivational suffixes), and syntactic awareness."

"neither executive function nor working memory is ... fully modular." they interact with each other

orthographic--dysgraphia
orthographic and phonological--dyslexia
orthographic, phonological, and morphological--language learning disability