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Association: Name: XVth Biennial International Conference on Infant Studies URL: http://www.isisweb.org
Citation: URL: http://www.allacademic.com/meta/p94069_index.html Direct Link: HTML Code:

Diehl, Maria., Varga, Krisztina., Panneton, Robin., Burnham, Denis. and Kitamura, Christine. "Six-Month-Old Infants' Perception of Native Speech Accent" Paper presented at the annual meeting of the XVth Biennial International Conference on Infant Studies, Westin Miyako, Kyoto, Japan, Jun 19, 2006 <Not Available>. 2009-05-25 <http://www.allacademic.com/meta/p94069_index.html>

Diehl, M. M., Varga, K. , Panneton, R. , Burnham, D. and Kitamura, C. , 2006-06-19 "Six-Month-Old Infants' Perception of Native Speech Accent" Paper presented at the annual meeting of the XVth Biennial International Conference on Infant Studies, Westin Miyako, Kyoto, Japan <Not Available>. 2009-05-25 from http://www.allacademic.com/meta/p94069_index.html

Publication Type: Individual Poster Abstract: Background and Aims: Infants prefer native over non-native language sounds that include rhythm, intonation, stress patterns, and phonemes. Clearly, infants become familiarized with their native language through experience with caretakers and others. However, native language learning occurs in spite of considerable intra- and inter-speaker variability. One example of variance is speech accent; within-language differences in production of consonants and vowels that do not alter their native status. American infants discriminate American- from British-English, but it remains unclear whether infants categorize unfamiliar accents as native, or non-native speech. We examined American and Australian infants’ preferences for natural recordings of American (AM) and Australian (AU) female infant-directed speech (IDS). Method: A serial preference procedure (infant-controlled) was used, with 12 presentations of a visual target associated with either AM or AU, counterbalanced for order. Sample sizes and ages were: Exp 1 (20(AM) and 20(AU) 6-mo-olds); Exp 2 (17(AM) 6-mo-olds); Exp 3 (20(AM) 8-mo-olds). Looking time and heart rate (HR) were measured as attention indices; we predicted longer looking times and greater HR decelerations to native vs. non-native accents (HR results are currently available for the American samples only). Key Results: Experiment 1: AM 6-mo-olds looked significantly longer and showed greater HR decelerations to AU; AU 6-mo-olds looked significantly longer to AM, but only when presented first. No significant preference was seen in this sample when AU was first. Experiment 2: AM 6-mo-olds showed no accent preference (in either looking or HR measures) when the natural recordings were low-pass filtered. Experiment 3: AM 8-mo-olds showed no preference, although looking and HR decelerations both tended to be greater to AU when presented first (p < .07); when data from first trials were removed, this effect disappeared. Conclusions: Contrary to our predictions, 6-mo-olds generally attend more to non-native accents. Non-native accent preference is not attributable to differences in pitch or intonation patterns because no preference was seen with filtered speech. Interestingly, this non-native accent preference was considerably reduced in 8-mo-olds, although no native accent preference was evident. Both age groups appear to perceive accents as novel productions of their native phonemes, rather than as non-native languages, but increase attention to phonemic novelty only at younger ages, perhaps reflecting perceptual attunement to native language information in the older infants.

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