Language Development In Special Populations

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home sign

Back 1

gestural communication systems that deaf children typically invent to communicate if they are not exposed to a sign language

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down syndrome

Back 2

a chromosomal abnormality that causes moderate to severe mental retardation and typically affects language development

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williams syndrome

Back 3

a chromosomal disorder that produces mild to moderate mental retardation. individuals with williams show severe visual spatial deficits but relatively strong language skills

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chatterbox syndrome

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a disorder characterized by severe mental retardation but remarkable linguistic abilities

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echolalic speech

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speech that merely repeats part of what the previous speaker said. producing enholalic speech is a characteristic of individuals with autism

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specific language impairment (sli)

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language impairment in the absence of any cognitive, social or sensory condition that would cause language impairment

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developmental dyslphasia

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a delay in language development in the absence of any clear sensory or cognitive disorder also referred to as special language impairment

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grammatical morphology

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the structure of words that result from combining word roots with ending that mark grammatical relations, such as the -s at the end of a verb to make agreement with the 3rd person subject or the -ed at the end of verbs to mark the past tense.
* also known as inflectional morphology

Front 9

phonological memory

Back 9

the function of short term memory responsible for the temporary storage of the sound of a speech stimulus

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familial concentration

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the rate of occurrence of a particular characteristic within a family. high familial concentration suggests a genetic basis