Language development Flashcards
What is meant by phonology?
Structure and sequence of speech sounds
What is meant by semantics?
Vocabulary (lexical knowledge)
What’s meant by grammar?
syntax - rules for sentences
morphology - grammatical markers
What’s meant by pragmatics?
appropriate and effective communication
What auditory things are newborns sensitive to?
pitch range of mothers voice All Phonemes (speech sounds) - by 6-8 months it narrows to just the needed phonemes in native language (lead by experience)
What are the stages of children language?
pre-language phase (0-12 months)
egocentric babble phase (4-6 m)
social babble phase (7-12m)
Early language phase (12-30 m)
Describe what babbling is
Aids social interaction
not just sound based (deaf children babble in sign)
Describe vocabulary growth
18 month typically 50 words, 18-22 months go from 50-300 (!!)
What happens with a child’s speech around 12 m?
still mostly nouns but also verbs/actions.
Most words refer to immediate actionable environment (ie toy rather than ceiling)
Function words (the, and etc) mostly missing (child has no need for grammatical constructions)
Propositional meanings: gestures and interactions are used to show different meanings for same words.
Explain syntactic bootstrapping
proposes that grammar is used to infer word meanings (eg big bird is gorping cookie monster vs big bird is gurping WITH cookie monster)
Describe different ideas of early syntax
2-3 years grammar is OK, but at 4-5 the child will start making mistakes (underlying regularisation drive - system is adjusting and trying to find a common rule for all words) - no cause parents don’t often correct grammar mistakes.
Skinner: operant conditioning: children learn through trial and error and imitating. No cause child learn to fast for that and says things that they haven’t heard
Chomsky: Nativism: Aspects of language learning is innate - LAD (language aquisition device): general knowledge specific to humans about language specified to own language.
Brain regions for language
lateralisation of language in left hemisphere regions develops AFTER birth (contra nativist). Areas in right hemisphere can take over if left is damaged.
What’s the critical period for language and what is the evidence
0-13years: evidence: Genie (deprived child found at 13 - never learned to use grammar properly - but could be braindamaged at birth, ASL (deaf society) reduced brain lateralisation in learners exposed after puberty
immigrations second language poorer the later they get to new country.