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Language Development - Coggle Diagram
Language Development
Language Milestones
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9 months = Babbling in sounds and intonation patterns of native language, Echolalia
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12-15 months = Holophrastic speech (using 1 word to express whole thought w/meaning depending on context and tone of voice)
18-24 months = telegraphic speech (2 content words w/o articles, conjunctions, or other function words)
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Components of Language
Phonology
Rules for using phonemes (e.g. c, t, th) {smallest units of sound in a language}
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Semantics
Meanings of words, phrases, and sentences (literal meaning)
Pragmatics
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Turn-taking, staying on-topic, using appropriate language, body language, non-literal language
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Critical Period
Early exposure to language = full proficiency w/ grammar, syntax, and phonetics
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Acquisition of spoken and sign language show parallel development trajectories when acquisition begins at birth
Deaf & Hard-of-Hearing
non-signing children with cochlear implants can have significant language deficits compared to their hearing peers while children w/cochlear implants who were exposed to sign language since birth are comparable to hearing peers.
bimodal-bilingual approach is most effective for language acquisition in DHH children (exposure to sign language & implants).
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