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ERIC Number: EJ936948
Record Type: Journal
Publication Date: 2011-Sep
Pages: 7
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-1363-755X
On-Line Statistical Segmentation of a Non-Speech Auditory Stream in Neonates as Demonstrated by Event-Related Brain Potentials
Kudo, Noriko; Nonaka, Yulri; Mizuno, Noriko; Mizuno, Katsumi; Okanoya, Kazuo
Developmental Science, v14 n5 p1100-1106 Sep 2011
The ability to statistically segment a continuous auditory stream is one of the most important preparations for initiating language learning. Such ability is available to human infants at 8 months of age, as shown by a behavioral measurement. However, behavioral study alone cannot determine how early this ability is available. A recent study using measurements of event-related potential (ERP) revealed that neonates are able to detect statistical boundaries within auditory streams of speech syllables. Extending this line of research will allow us to better understand the cognitive preparation for language acquisition that is available to neonates. The aim of the present study was to examine the domain-generality of such statistical segmentation. Neonates were presented with nonlinguistic tone sequences composed of four tritone units, each consisting of three semitones extracted from one octave, for two 5-minute sessions. Only the first tone of each unit evoked a significant positivity in the frontal area during the second session, but not in the first session. This result suggests that the general ability to distinguish units in an auditory stream by statistical information is activated at birth and is probably innately prepared in humans.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A