Language and communication week 5 Flashcards
when do babies produce their first word
1 year
how many words does a 5 year old know?
between 15,000-20,000
what is a naming explosion
when there is a significant increase in the number of words learnt and added to a Childs vocabulary
how many words does an 18 year old know
60,000
what are the four stages in language development
babling, one-word, two-word and telegraphic
what and when is the babbling stage
4-9 months - change in sound discrimination, sounds are universal
what and when is the one-word phrase
9-18 months - names and objects in a babies life
what and when is the two-word phrase
18-24 months - beginning of syntax
what and when is the telegraphic stage
24-30 months - grammatical markers and very quick progression
what can foetuses hear in the womb
can hear impoverished sounds in the womb - high frequencies blocked by amniotic fluid
what was Decasper and Spence’s experiment into language development for foetuses look at
16 mothers read the “Cat in the hat” to their babies in the womb.Then read when given birth in contrast to new story - babies preferred the familiar story
what is an example of early speech production
crying, cooing, laughing
at what stage is there verbal play and speech sounds
4-7 months
what is babbling
the repetition of symbols
what is child directed speech known as
motherese
