infant vocalization Flashcards
why transcribe infant vocalization?
- can predict later language development
- helps identify at risk infants
what is a baby’s vocal trap shaped most similarly to?
chimpanzee
- a break in vocalization
- listen for audible inspirations and pauses
breath groups
- minimal rhythmic unit of speech
- not always meaningful
- count total #
syllables
what are the steps to transcribe infant vocalization?
- identify the breath groups
- sort the utterances based on communicative intent
- identify the syllables
we do not evaluate
vegetative non speech
involuntary (burps, coughs)
voluntary (grunts)
we do evaluate grunts if they have a _______ with them
gesture
fussing and whining is ____
intentional
- rhythmic pattern
- syllable structure
- phonetic variation
adult speech-like sound criteria
the vocal tract changes and speech sounds diversify
0-6 months
canonical babbling happens
7-10 months
what is canonical babbling?
repeated syllables [m] [a] [m] [a]
1st word happens around
12 months
babbling happens around
6-12 months
complex syllables, jargon and protowords happens around
12-18 months