Early sound perception- Part 2 Flashcards
what is categorical perception?
responding to changes in the acoustic signals as if sharp boundaries were present at specific lines in the continum
What is Steven’s Quantal Theory?
certain relatively large changes in articulator positions cause little change in the acoustical signal.
Steve’s Quantal Theory Continued…
“ while other relatively _____ changes in articulator placement cause ____ changes in the acoustic signal.
- small
2. large
Ex. of Steven’s Quantal Theory?
/key/ or /cup/ “k” sound can be reduced back for further front for both and there’s no difference
What is VOT? Definition?
Voice Onset Time: time between the stop release and beginning of vocal fold vibration
what is VOT for an unvoiced stop?
Always have delayed voicing
VOT for a voiced stop?
can have “pre-voicing” “simultaneous voicing” or “delayed voicing”
At what age does an infant’s perpetual skills change to reflect the phonemic boundaries of only THEIR OWN native language?
6-12 months
Do infants have innate abilities to process some parameters of speech, such as VOT, aspiration, and some aspects of place and manner?
yes
Are innate abilities initially universal but change with exposure to infant’s ambient language?
Yes at 6-12 mo.
Some abilities are innate, some are a function of exposure to language, some maturational. This relates to ______
Perception