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Lecture

09 - March 18, 2014.docx

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Department
Linguistics
Course
JLP315H1
Professor
Ailis Cournane
Semester
Winter

Description
JLPMarch 18 2014Specific Language Impairmentno deficit in intelligence Slide 2 No hearing disorder no autism no significant intelligence deficitgenerally affect small percent of children Hearing impairment common source of language difficulty because cannot hear properlyrelatively normal social interactionnot condition of Aspergers or autismDevelopmental delayrarely persists into adulthoodwith intervention of speech tehrapists speech improves Late talkerslater than average on reaching linguistic milestonesSlide 3Impaired fast mappingchildren require 2x as many instances of new word in order to learn a new word SLIcan both have problem with learning lexical items Slide 4Syntactic deficitprimary diagnostic are generally based on syntax Particular problem with using grammatical morphmes and applying morphosyntactic rules of grammar Plurals possessives articles agreement auxillaries prepositions etcthese are functional materialmore likely to remit than replaceregister that smoething needs to be there a plural marker or somethingdo not switch it for something elsealso see a lot of case confusion Specific language impairmentdo not compare children on basis of age compare on basis of MLUSLI child is older typically than typically developing child when matched for MLU Slide 5SLI childrenmay also see some pragmatic deficitsas a result of thistend to behave more like younger childrenmay have literal interpretation of childrenon literal levelmight have trouble with idioms puns etc The pragmatic skills can lead to some problems with social skillsnot always given Slide 6Dyslexia thought of as phonological deficittrouble retrieving phonological informationSlide 7 Poor temporal processing of auditory signalschildren might have difficulty processing auditory stream Surface hypothesisdifficulty processing the functional morphemes because they have low phonetic salience which are not as clearly heard ie plural marker vs a noun Extended optional infinitive stageSLI children may get stuck in optional infinitive case problems with case verb morphologylead to stalled grammatical development There are errors that children make besides optional infinitive errorscriticsm of this theory A lot of the problems could be argued to arise from underlying infinitive deficit Generalized slowing hypothesissome perceptual motor skill deficitconcurrent deficits in memorydifficulty in retrieving grammatical morphemes
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