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25 Cards in this Set
- Front
- Back
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PDD
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Pervasive Developmental Disorder; diagnosis before age 3; severe lang deficits in autism; "spectrum disorder"
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Symptoms of PDD
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lack of response to own name, lack of eye contact, social smiling, joint attention, language delays
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Language Delays at different ages with PDD
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9 mos: no vocal play
12 mos: no babbling, pointing, gestures 16 mos: no single words 24 mos: no 2-word spontaneous phrases |
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Course of PDD
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range from few difficulties to profound impairment; ~50% never develop lang, ~30% appear to develop normally then regress
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Characteristics of PDD
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dysprosody, echolalia, pronoun reversal, difficulty w/ abstract
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Treatment of PDD
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ABA (Lovaas), PECS
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Apraxia
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difficulty controlling & coordinating speech organs, making & sequencing sounds
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Definition of SLI
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Specific Language Impairment; delayed lang w/ no neurological, cognitive, or social impairment
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Identification criteria for SLI
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lang test scores 1.25 SD below mean, normal non-verbal IQ (>85), hearing, & social interaction; intact oral-motor function
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Primary Deficits with SLI
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grammatical morphemes, nonword repetition, phoneme discrimination, word retrieval, anomia, ambiguous words
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Morphosyntax & SLI
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deficits in grammatical morphemes, problems w/ advanced syntax increas as get older
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Pragmatics & SLI
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literal interpretation of lang, problems w/ production & interpretations of requests
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SLI intervention
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better outcomes w/ longer interventions; modeling & imitation, recasting & expansion
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Definition of Williams Syndrome
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general cognitive retardation, except in language; results from deletion of 20+ genes on chromosome 7; 1 in 8k-10k births
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Characteristics of Williams Syndrome
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pixie-like facial features, very social, average IQ 55 (40-90), poor spatial cognition
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Language Abilities with Williams Syndrome
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delayed onset, large vocab w/ many low frequency words, good pragmatics, advanced syntax, correct grammatical errors
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Particularly impressive abilities of people with Williams Syndrome
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auditory short term memory, face processing, theory of mind, good at music
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Characteristics of Speech Disorders
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Disordered speech development; affects articulation of speech sounds; some organic causes some unknown
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Cerebral Palsy
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congenital motor disability due to brain damage before/ at birth
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Characteristics of Cerebral Palsy
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lack respiratory support for speech; difficulty controlling speech organ movement; receptive lang & cognitive functioning typically unimpaired
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Cleft Palate
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Congenital defect in bone or tissue surrounding oral & nasal tissues
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Characteristics of Cleft Palate
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inability to control intra-oral pressure; leads to inablity to produce many speech sounds: particularly fricatives & bilabial stops
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Functional Articulation Disorders
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Normal perceptual & motor skills, but don't produce speech sounds as well as peers; phonological patterns similar to younger kids (cwayon); articulation training effective
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Fluency Disorders
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developmental disfluency- hesitating; repeating/prolonging sounds, syllables, & words; insert fillers (um)
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Stuttering
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great degree of disfluency; produce >10 repeated words/syllables per 100 words- single sound or part word repetitions; often sound tense
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