Sound localization and occupational noise

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dc.contributor.authorMenezes, Pedro de Lemos
dc.contributor.authorLira de Andrade, Kelly Cristina
dc.contributor.authorLins Carnauba, Aline Tenorio
dc.contributor.authorCabral, Frantania B.
dc.contributor.authorLeal, Mariana de Carvalho
dc.contributor.authorPereira, Liliane Desgualdo [UNIFESP]
dc.contributor.institutionUniv Estadual Ciencias Saude Alagoas UNCISAL
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2016-01-24T14:35:00Z
dc.date.available2016-01-24T14:35:00Z
dc.date.issued2014-01-01
dc.description.abstractOBJECTIVE: the aim of this study was to determine the effects of occupational noise on sound localization in different spatial planes and frequencies among normal hearing firefighters.METHOD: A total of 29 adults with pure-tone hearing thresholds below 25 dB took part in the study. the participants were divided into a group of 19 firefighters exposed to occupational noise and a control group of 10 adults who were not exposed to such noise. All subjects were assigned a sound localization task involving 117 stimuli from 13 sound sources that were spatially distributed in horizontal, vertical, midsagittal and transverse planes. the three stimuli, which were square waves with fundamental frequencies of 500, 2,000 and 4,000 Hz, were presented at a sound level of 70 dB and were randomly repeated three times from each sound source. the angle between the speaker's axis in the same plane was 45, and the distance to the subject was 1 m.RESULT: the results demonstrate that the sound localization ability of the firefighters was significantly lower (p < 0.01) than that of the control group.CONCLUSION: Exposure to occupational noise, even when not resulting in hearing loss, may lead to a diminished ability to locate a sound source.en
dc.description.affiliationUniv Estadual Ciencias Saude Alagoas UNCISAL, Acoust Instrumentat Lab, Maceio, AL, Brazil
dc.description.affiliationUniv Fed Pernambuco UFPE, Dept Fonoaudiol, Recife, PE, Brazil
dc.description.affiliationEscola Paulista Med UNIFESP, Dept Fonoaudiol, São Paulo, Brazil
dc.description.affiliationUnifespEscola Paulista Med UNIFESP, Dept Fonoaudiol, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipResearch Support Foundation of Alagoas State (FAPEAL)
dc.format.extent83-86
dc.identifierhttp://dx.doi.org/10.6061/clinics/2014(02)02
dc.identifier.citationClinics. São Paulo: Hospital Clinicas, Univ São Paulo, v. 69, n. 2, p. 83-86, 2014.
dc.identifier.doi10.6061/clinics/2014(02)02
dc.identifier.fileS1807-59322014000200083.pdf
dc.identifier.issn1807-5932
dc.identifier.scieloS1807-59322014000200083
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/37197
dc.identifier.wosWOS:000331931800002
dc.language.isoeng
dc.publisherHospital Clinicas, Univ São Paulo
dc.relation.ispartofClinics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectNoiseen
dc.subjectOccupationalen
dc.subjectSound Localizationen
dc.subjectHearingen
dc.titleSound localization and occupational noiseen
dc.typeinfo:eu-repo/semantics/article
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