Discrimination of speech sound contrasts determined with behavioral tests and event-related potentials in cochlear implant recipients

A.J. Beynon; A.F. Snik; D.F. Stegeman; P. Broek

doi:10.3766/jaaa.16.1.5

Discrimination of speech sound contrasts determined with behavioral tests and event-related potentials in cochlear implant recipients

A.J. Beynon, A.F. Snik, D.F. Stegeman, P. Broek

Human Movement Sciences

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Cortical potentials evoked with speech stimuli were investigated in ten experienced cochlear implant (CI, type Nucleus 24M) users using three different speech-coding strategies and two different speech contrasts, one vowel (/i/-/a/) and one consonant (/ba/-/da/) contrast. On average, results showed that, compared to subjects with normal hearing, P300 amplitudes were smaller; however, most latencies were within the normal range. Next, individual P300 measures in response to the two speech contrasts were compared to behavioral discrimination scores. Significant within-subject differences in P300 amplitudes and latencies were found for the three speech coding strategies. These differences were in agreement with the behavioral, strategy-dependent discrimination of the speech contrasts.

Original language	English
Pages (from-to)	42-53
Journal	Journal of the American Medical Informatics Association
Volume	16
DOIs	https://doi.org/10.3766/jaaa.16.1.5
Publication status	Published - 2005

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title = "Discrimination of speech sound contrasts determined with behavioral tests and event-related potentials in cochlear implant recipients",

abstract = "Cortical potentials evoked with speech stimuli were investigated in ten experienced cochlear implant (CI, type Nucleus 24M) users using three different speech-coding strategies and two different speech contrasts, one vowel (/i/-/a/) and one consonant (/ba/-/da/) contrast. On average, results showed that, compared to subjects with normal hearing, P300 amplitudes were smaller; however, most latencies were within the normal range. Next, individual P300 measures in response to the two speech contrasts were compared to behavioral discrimination scores. Significant within-subject differences in P300 amplitudes and latencies were found for the three speech coding strategies. These differences were in agreement with the behavioral, strategy-dependent discrimination of the speech contrasts.",

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AU - Broek, P.

PY - 2005

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AB - Cortical potentials evoked with speech stimuli were investigated in ten experienced cochlear implant (CI, type Nucleus 24M) users using three different speech-coding strategies and two different speech contrasts, one vowel (/i/-/a/) and one consonant (/ba/-/da/) contrast. On average, results showed that, compared to subjects with normal hearing, P300 amplitudes were smaller; however, most latencies were within the normal range. Next, individual P300 measures in response to the two speech contrasts were compared to behavioral discrimination scores. Significant within-subject differences in P300 amplitudes and latencies were found for the three speech coding strategies. These differences were in agreement with the behavioral, strategy-dependent discrimination of the speech contrasts.

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DO - 10.3766/jaaa.16.1.5

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JO - Journal of the American Medical Informatics Association

JF - Journal of the American Medical Informatics Association

ER -

Discrimination of speech sound contrasts determined with behavioral tests and event-related potentials in cochlear implant recipients

Abstract

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