Delay/Dis + SLI/DLD Flashcards
There is little variation in typical language development. True/False.
False.
There is wide variation in typical development.
Range of comprehension of single words:
10 months
0-144
Range of comprehension of single words:
16 months
80-300
Range of production of single words:
12 months
0-24
Range of production of single words:
24 months
90-550
age range of development of 2-word phrases
16-24months
Risk factors for language delay/disorder.
8
Learning disability.
Genetic / chromosomal syndromes.
Family history of SLCN.
Physical/motor difficulties (Cerebral Palsy)
Chronic illness
Prematurity / low birth weight.
Sensory difficulties (Hearing or Visual impairment)
Environmental factors (neglect)
Features of language delay
4
Typical pattern of speech and language development.
Expected to resolve.
May be ‘cause’ (mild fluctuating hearing loss), or there may be no clear reason.
Do not usually have significant medical factors or learning disability.
what % of language delay at 3yrs resolves by school age?
Expected to resolve: 50% 3-year-olds with language delay resolved by school age.
Prevalence of language delay at 3yrs.
Dale et al., 2013
Common: 10% of 3-year-olds (Dale et al., 2013).
Possible cause of language delay.
Mild fluctuating hearing loss,
or there may be no clear reason
Features of language disorder
4
Do not follow typical rate or pattern of speech and language development.
Often a ‘cause’.
Disorder will persist through life.
May not have other disabilities or learning disorder.
Language disorder: Negative outcomes (4)
Negative outcomes: Literacy Education Psychosocial outcomes Wellbeing
describe continuum of delay and disorder
Delay Disorder
But at what point does a delay become a disorder?
At what age is a delay unlikely to resolve? What is this described in terms of?
5
Critical Age Hypothesis