production Flashcards
0-2 months
phonation stage (crying, reflexive)
2-3 mos
cooing stage (sounds in back of VT) ooo ooo
4-6 mos
expansion stage (more playful, vowels, raspberries)
6-8/10 mos
babbling stage (canonical, reduplicated)
9-13 mos
jargon babbling (nonreduplicated, variegated)
changes in infant speech anatomy
infant oral cavity is filled largely with tongue
- larynx is high in throat
- in time facial development allows more room and larynx to decend
- brain maturation
oller’s criterial of canonical babbling
- well formed syllables must be produced
- ONE FULL vowel like element
- at least ONE consonant like element
- must have rapid formant transition btw vowel and consonant
- ba di nu
is babbling universal?
YES, but hearing yourself aids in development of speech.
deaf babies exposed to ASL from birth babble with their hands
is babbling linked to later word development
YES children show continuity where many first words produced are formed with same syllabic formations used in babbling (vocal motor schemes)
babbling drift hypothesis
babbling “Drifts” into the language used
protowords
lack conventional form, but used consistently
8 early consonants
m, b, j, n, w, d, p, h
8 middle
t k g f v ng ch jjj
8 late
sh th s z thVOICED l r ggg
syllable shape
2 yo- 100% CV
clusters-58%- CC iitial- SLip