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Wiley InterScience | ||||||||||||
  Psychological ScienceVolume 14 Issue 3, Pages 220 - 224 Published Online: 14 Apr 2003 © 2009 Association for Psychological Science
Abstract | References | Full Text: HTML, PDF (Size: 99K) | Related Articles | Citation Tracking  Research Article Effects of experience on fetal voice recognition Copyright Blackwell Science ABSTRACTAbstract - The ability of human fetuses to recognize their own mother's voice was examined. Sixty term fetuses were assigned to one of two conditions during which they were exposed to a tape recording of their mother or a female stranger reading a passage. Voice stimuli were delivered through a loudspeaker held approximately 10 cm above the maternal abdomen and played at an average of 95 dB SPL. Each condition consisted of three 2-min periods: no stimulus, voice (mother or stranger), and no stimulus. Fetal heart rate increased in response to the mother's voice and decreased in response to the stranger's; both responses were sustained for 4 min. The finding of differential behavior in response to a familiar versus a novel voice provides evidence that experience influences fetal voice processing. It supports an epigenetic model of speech perception, presuming an interaction between genetic expression of neural development and species-specific experience. (Received 4/3/02; Revision accepted 8/5/02) | 
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