No evidence for enhanced processing of speech that is low-pass filtered near the edge frequency of cochlear dead regions in children.
Objectives: Cochlear dead regions (DRs) are regions in the cochlea where the inner hair cells and/or neurons are not functioning. Adults with extensive high-frequency DRs have enhanced abilities in processing sounds with frequencies just below the edge frequency, fedge, of the DR. It was assessed wh...
| Publicado en: | International Journal of Audiology Vol. 57; no. 8; pp. 632 - 638 |
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| Autores principales: | , , , , , , |
| Formato: | research tables/charts Journal Article |
| Publicado: |
Taylor & Francis Ltd
Aug2018
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=131436170&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 131436170 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 14992027 JW2 jtl: International Journal of Audiology issn: 14992027 maglogo: Y pubinfo: dt: Aug2018 vid: 57 iid: 8 pid: 377 pub: Taylor & Francis Ltd place: Philadelphia, Pennsylvania artinfo: ui: 131436170 131436170 131436170 10.1080/14992027.2018.1460496 131436170 ppf: 632 ppct: 6 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: No evidence for enhanced processing of speech that is low-pass filtered near the edge frequency of cochlear dead regions in children. aug: au: Malicka, Alicja N. Wilson, Wayne J. Baer, Thomas Munro, Kevin J. Baker, Richard J. Miluzzi, Deanna Moore, Brian C. J. affil: School of Allied Health, La Trobe University, Bundoora, Australia sug: subj: Speech Perception In Infancy and Childhood Hearing Disorders Human Child Male Female Adolescence Scales Descriptive Statistics Data Analysis Software Two-Tailed Test T-Tests Funding Source Hearing Screening Random Sample Child: 6-12 years Adolescent: 13-18 years Male Female ab: Objectives: Cochlear dead regions (DRs) are regions in the cochlea where the inner hair cells and/or neurons are not functioning. Adults with extensive high-frequency DRs have enhanced abilities in processing sounds with frequencies just below the edge frequency, fedge, of the DR. It was assessed whether the same is true for children. Design: Performance was compared for children aged 8 to 13 years with: DRs (group DR), hearing impairment but without DRs (group NODR), and normal hearing (group NH). Seven ears in each group were tested. Each ear in the DR group was matched in age and low-frequency hearing with an ear in the NODR group, and in age with an ear in the NH group, giving seven “triplets”. Within each triplet, the percent correct identification of vowel-consonant-vowel stimuli was measured using stimuli that were low-pass filtered at fedge and 0.67fedge, based on the ear with a DR. For the hearing-impaired ears, stimuli were given frequency-selective amplification as prescribed by DSL 4.1. Results: No significant differences in performance were found between groups for either low-pass cut-off frequency. Conclusion: Unlike adults, the children with DRs did not show enhanced discrimination of speech stimuli with frequencies below fedge. pubtype: Academic Journal doctype: research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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