Phonological categorization of vowels: a mismatch negativity study

Neuroreport
Penelope R HillD V M Bishop

Abstract

There is electrophysiological evidence that phonological categorization has occurred within 100-200 ms post stimulus onset for the syllables /tae/ and /dae/, which vary in voice onset time. Using a similar paradigm, this study investigated when phonological categorization occurred for the contrast between /I/ and /epsilon/, using synthesized speech tokens that differed in the frequency of the first formant. Here we show that phonological categorization of these tokens has not occurred 100-200 ms after stimulus onset. However, the presence of a late mismatch negativity (350 ms after stimulus onset) indicated that phonological categorization had taken place by this time.

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Citations

Jun 1, 2005·Brain Research. Cognitive Brain Research·D V M BishopG M McArthur
Dec 1, 2005·Neuroreport·Swantje ZachauMichael Schecker
Jan 9, 2007·Neuroscience Letters·Tanja RinkerMichael Schecker
Oct 14, 2014·Frontiers in Neuroscience·Yingjiu NiePeggy B Nelson
Jan 11, 2012·Journal of Speech, Language, and Hearing Research : JSLHR·Mathias ScharingerWilliam J Idsardi
Mar 23, 2017·Frontiers in Neuroscience·Yan H YuElyse S Sussman
May 11, 2021·Frontiers in Human Neuroscience·Yaxuan MengAditi Lahiri
Jul 24, 2021·Cerebral Cortex Communications·Alexander L Anwyl-IrvineDuncan E Astle

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