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Language & Communication (LANGUAGE DEVELOPMENT (MILESTONES…
Language & Communication
LANGUAGE is a system for communicating with others using signals that are combined according to rules of grammar and convey meaning
GRAMMAR is a set of rules that specify how the units of language can be combined to produce meaningful messages
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LANGUAGE DEVELOPMENT
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Distinguish Sounds - infants can distinguish all sounds that occur in all human languages from birth. After 6 mo they lose the ability and can only distinguish contrasting sounds they hear spoken around them.
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telegraphic speech - speech that is devoid of function morphemes and consist mostly of content words
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THEORIES
Nativist - Chomsky - language development is best explained as an innate biological capacity - do not explain how only why
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Behaviorist - Skinner - reinforcement , shaping, extinctions, operant conditioning
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BRAIN
Wernicke - can produce sentences, sentences are meaningless
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