The more, the better? Behavioral and neural correlates of frequent and infrequent vowel exposure

Sho Tsuji, Paula Fikkert, Yasuyo Minagawa, Emmanuel Dupoux, Luca Filippin, Maarten Versteegh, Peter Hagoort, Alejandrina Cristia

Research output: Contribution to journalArticle

Abstract

A central assumption in the perceptual attunement literature holds that exposure to a speech sound contrast leads to improvement in native speech sound processing. However, whether the amount of exposure matters for this process has not been put to a direct test. We elucidated indicators of frequency-dependent perceptual attunement by comparing 5–8-month-old Dutch infants’ discrimination of tokens containing a highly frequent [hɪt-he:t] and a highly infrequent [hʏt-hø:t] native vowel contrast as well as a non-native [hɛt-hæt] vowel contrast in a behavioral visual habituation paradigm (Experiment 1). Infants discriminated both native contrasts similarly well, but did not discriminate the non-native contrast. We sought further evidence for subtle differences in the processing of the two native contrasts using near-infrared spectroscopy and a within-participant design (Experiment 2). The neuroimaging data did not provide additional evidence that responses to native contrasts are modulated by frequency of exposure. These results suggest that even large differences in exposure to a native contrast may not directly translate to behavioral and neural indicators of perceptual attunement, raising the possibility that frequency of exposure does not influence improvements in discriminating native contrasts.

Original languageEnglish
Pages (from-to)603-612
Number of pages10
JournalDevelopmental Psychobiology
Volume59
Issue number5
DOIs
Publication statusPublished - 2017 Jul 1

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Phonetics
Near-Infrared Spectroscopy
Neuroimaging

Keywords

  • human infants
  • language experience
  • near-infrared spectroscopy
  • vowel discrimination

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Developmental Neuroscience
  • Developmental Biology
  • Behavioral Neuroscience

Cite this

The more, the better? Behavioral and neural correlates of frequent and infrequent vowel exposure. / Tsuji, Sho; Fikkert, Paula; Minagawa, Yasuyo; Dupoux, Emmanuel; Filippin, Luca; Versteegh, Maarten; Hagoort, Peter; Cristia, Alejandrina.

In: Developmental Psychobiology, Vol. 59, No. 5, 01.07.2017, p. 603-612.

Research output: Contribution to journalArticle

Tsuji, S, Fikkert, P, Minagawa, Y, Dupoux, E, Filippin, L, Versteegh, M, Hagoort, P & Cristia, A 2017, 'The more, the better? Behavioral and neural correlates of frequent and infrequent vowel exposure', Developmental Psychobiology, vol. 59, no. 5, pp. 603-612. https://doi.org/10.1002/dev.21534
Tsuji, Sho ; Fikkert, Paula ; Minagawa, Yasuyo ; Dupoux, Emmanuel ; Filippin, Luca ; Versteegh, Maarten ; Hagoort, Peter ; Cristia, Alejandrina. / The more, the better? Behavioral and neural correlates of frequent and infrequent vowel exposure. In: Developmental Psychobiology. 2017 ; Vol. 59, No. 5. pp. 603-612.
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