PSY 2301 Lecture 14: Early Language Development

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Phonology: rules about structure and sequence of speech sounds. Semantics: vocabulary - words and word combinations for concepts. Grammar: syntax (rules for sentences); morphology (grammatical markers) *once a child starts to improve in one area, others tend to follow. Behaviourist: learned through operant conditioning (reinforcement) and imitation. Nativist: language acquisition device (lad) biologically prepares infants to learn rules of language through universal grammar. Interactionist: inner capacities and environment work together; social context is important. Animal language: language seems to be unique to humans. Brain structures: regions predisposed to language processing; research shows this. Broca"s area: speech production (injury - have problems saying what you are thinking) Wernicke"s area: language comprehension (brain injury here would cause problems processing what is being said) Deaf children develop language even when they have: Homesign - development of own language/ signing to be able to communicate effectively (if not taught signing and instead speak to them orally)

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