Infant Speech Perception
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چکیده
Methods 1. High Amplitude Sucking (HAS) a. measures infant sucking rate during exposure to auditory stimuli in three phases i. acquisition phase–infants increase their sucking rate during initial exposure ii. habituation phase–point where experimenter might change the auditory stimulus iii. dishabituation phase–period where infants react to the change/continued stimulus b. used with infants from birth to 6 months 2. Heart Rate (HR) a. measures infants heart rate during exposure to auditory stimuli b. used with infants from birth to 8 months 3. Visually Reinforced Infant Speech Discrimination (VRISD) a. measures head turn to anticipated visual reinforcer synchronized with auditory stimuli b. used with infants between 6 and 18 month
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Thirty Years of Research on Infant
The field of infant speech perception emerged in the early 1970s as new techniques became available to assess young infants’sophisticated discriminative capacities. Peter W. Jusczyk, who died in 2001, was involved in the first studies of infant speech perception and became over the next 30 years the most prolific and influential contributor to research on language acquisition. We review his man...
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