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Discrimination in neonates of very short CVs

Examined the ability of 57 neonates (aged 4-5 days) to discriminate synthetic shortened versions of consonant-vowel (CV) syllables varying in place of articulation for stop consonants in the environment of vowels. Ss were randomly assigned to 3 independent groups: consonant, vowel, and control. Results of a habituation-dishabituation procedure indicate that neonates can discriminate shortened versions of CV syllables in the absence of complete formant transitions and steady-state information. The consonant group reliably discriminated the stimuli, which suggests that complete transition information is not required to distinguish between voiced stops that differ in place of articulation. Results of the vowel group show that infants discriminate a vocalic change on the basis of the information in the initial portions of brief CV stimuli. (PsycINFO Database Record (c) 2005 APA, all rights reserved)



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