Cross-Frequency Integration for Consonant and Vowel Identification in Bimodal Hearing.
Purpose: Improved speech recognition in binaurally combined acoustic-electric stimulation (otherwise known as bimodal hearing) could arise when listeners integrate speech cues from the acoustic and electric hearing. The aims of this study were (a) to identify speech cues extracted in electric hearin...
| Published in: | Journal of Speech, Language & Hearing Research Vol. 54; no. 3; pp. 959 - 981 |
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| Main Authors: | , |
| Format: | research tables/charts Journal Article |
| Published: |
American Speech-Language-Hearing Association
Jun2011
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| Online Access: | View this record in EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=62655531&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 62655531 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 10924388 1SM jtl: Journal of Speech, Language & Hearing Research issn: 10924388 maglogo: N pubinfo: dt: Jun2011 vid: 54 iid: 3 pid: 42 pub: American Speech-Language-Hearing Association place: Rockville, Maryland artinfo: ui: 62655531 62655531 62655531 10.1044/1092-4388(2010/10-0197) 62655531 ppf: 959 ppct: 22 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: Cross-Frequency Integration for Consonant and Vowel Identification in Bimodal Hearing. aug: au: Konga, Ying-Yee Braidab, Louis D. affil: Northeastern University, Boston, MA sug: subj: Speech Perception Hearing Phonetics Human Funding Source Acoustic Stimulation Electric Stimulation Cochlear Implant Case Control Studies Female Male Adult Models, Statistical Goodness of Fit Chi Square Test Adolescence Middle Age Aged Adult: 19-44 years Adolescent: 13-18 years Middle Aged: 45-64 years Aged: 65+ years Female Male ab: Purpose: Improved speech recognition in binaurally combined acoustic-electric stimulation (otherwise known as bimodal hearing) could arise when listeners integrate speech cues from the acoustic and electric hearing. The aims of this study were (a) to identify speech cues extracted in electric hearing and residual acoustic hearing in the low-frequency region and (b) to investigate cochlear implant (CI) users' ability to integrate speech cues across frequencies. Method: Normal-hearing (NH) and CI subjects participated in consonant and vowel identification tasks. Each subject was tested in 3 listening conditions: CI alone (vocoder speech for NH), hearing aid (HA) alone (low-pass filtered speech for NH), and both. Integration ability for each subject was evaluated using a model of optimal integration—the PreLabeling integration model (Braida, 1991). Results: Only a few CI listeners demonstrated bimodal benefit for phoneme identification in quiet. Speech cues extracted from the CI and the HA were highly redundant for consonants but were complementary for vowels. CI listeners also exhibited reduced integration ability for both consonant and vowel identification compared with their NH counterparts. Conclusion: These findings suggest that reduced bimodal benefits in CI listeners are due to insufficient complementary speech cues across ears, a decrease in integration ability, or both. pubtype: Academic Journal doctype: research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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