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Infant recognition of mother's voice

Each of 40 4-6 wk old infants was reinforced, contingent on nonnutritive sucking, with its mother's voice and the voice of a stranger. In this experiment, 2 conditions were applied. Under the 1st, the mother's speech was aimed at communicating with the infant, while under the 2nd, the mother's speech lacked prosodic and intonational aspects of normal speech. It was shown that Ss sucked more for their mother's voices under the intonated condition only. It is concluded that a young infant prefers its own mother's voice provided the mother speaks normally. (14 ref) (PsycINFO Database Record (c) 2005 APA, all rights reserved)



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