| Speech-sound discrimination in neonates as measured with MEG. | |
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MedLine Citation:
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PMID: 15486487 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Magnetic brain responses to speech sounds were measured in 10 healthy neonates. The stimulation consisted of a frequent vowel sound [a:] with a steady pitch contour, which was occasionally replaced by the vowel [i:] with a steady pitch, or the vowel [a:] with a rising pitch, manifesting a change of intonation. The magnetic mismatch-negativity response (MMNm) was obtained and successfully modelled to the speech sound quality change in all infants and to the intonation change in 6 infants. The present results indicate that auditory-cortex speech-sound discrimination may well be studied with magnetic recordings as early as in newborn infants. |
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Authors:
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Anu Kujala; Minna Huotilainen; Merja Hotakainen; Mietta Lennes; Lauri Parkkonen; Vineta Fellman; Risto Näätänen |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Neuroreport Volume: 15 ISSN: 0959-4965 ISO Abbreviation: Neuroreport Publication Date: 2004 Sep |
Date Detail:
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Created Date: 2004-10-15 Completed Date: 2005-01-13 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9100935 Medline TA: Neuroreport Country: England |
Other Details:
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Languages: eng Pagination: 2089-92 Citation Subset: IM |
Affiliation:
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Cognitive Brain Research Unit, Department of Psychology, P.O. Box 9, FIN-00014, Helsinki, Finland. anu.kujala@helsinki.fi |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation
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methods Brain Mapping Functional Laterality / physiology Humans Infant, Newborn Magnetics Magnetoencephalography / methods* Phonetics* Reaction Time / radiation effects Speech Perception / physiology* |
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