1.3.3 Describe the main features of developmental reading disorders Flashcards
Describe criteria A-D of DSM-5 WRT developmental reading disorders
A - must have problems with one or more of the following that has persisted for six months:
- word reading
- written comprehension
- spelling difficulty
- written expression
B - Significantly below expectations of age matched peers
C - Onset during school age, but sometimes doesn’t fully manifest until demands exceed capacity later in schooling
D - Not better accounted for by something else (e.g. - ID, visual/auditory impairment, inadequate educational instruction, etc)
Origins of RD?
biological, neurodevelopmental
familial links
Comorbidities of RD?
ADHD
Language disorder
Speech Sound Disorder
Internalising problems (particularly with girls) arising out of school failure
What are the two components of word recognition
Phonological coding - recognising letter-sound relationships
Orthographic coding - understanding word-specific patterns can make sounds; and that some patterns don’t sound out - e.g. yacht
Can RD have problems with oral language comprehension too?
Yes.
Various oral and written language skills interact. Eg - phonological skills facilitate the acquisition of new words, which builds lexical networks.
Quick facts about dyslexia
N W-R S P U S
“Now We-Really Spell UnSuccessfully”
Neurobiological in origin
Word recogntion is inaccurate and non-fluent
Spelling problems is also a feature
Phonological component of language has a deficit
Unexpected in relation to other abilities and effective instruction
Secondary consequences may include problems in reading, comprehension and reduced reading experience that impedes growth of vocabulary and background knowledge.