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The Tuning of Human Neonates' Preference for Speech
Athena Vouloumanos, Marc D. Hauser, Janet F. Werker and Alia Martin
Vol. 81, No. 2 (MARCH/APRIL 2010), pp. 517-527
Stable URL: http://www.jstor.org/stable/40598998
Page Count: 11
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Human neonates prefer listening to speech compared to many nonspeech sounds, suggesting that humans are born with a bias for speech. However, neonates' preference may derive from properties of speech that are not unique but instead are shared with the vocalizations of other species. To test this, thirty neonates and sixteen 3-month-olds were presented with nonsense speech and rhesus monkey vocalizations. Neonates showed no preference for speech over rhesus vocalizations but showed a preference for both these sounds over synthetic sounds. In contrast, 3-month-olds preferred speech to rhesus vocalizations. Neonates' initial biases minimally include speech and monkey vocalizations. These listening preferences are sharpened over 3 months, yielding a species-specific preference for speech, paralleling findings on infant face perception.
Child Development © 2010 Society for Research in Child Development