2009
DOI: 10.1590/s0104-56872009000300003
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Influência do tipo de transdutor na deficiência auditiva de grau profundo

Abstract: TEMA: indivíduos com deficiência auditiva de grau profundo podem apresentar respostas por vibração com os fones supra-aurais devido a grande área do crânio exposta à vibração nestes transdutores. OBJETIVO: verificar a influência do tipo de transdutor na obtenção dos limiares auditivos por via aérea em indivíduos com deficiência auditiva neurossensorial de grau profundo. MÉTODO: 50 indivíduos, com idades variando de 16 a 55 anos, foram submetidos a anamnese, meatoscopia, e posteriormente, a audiometria tonal li… Show more

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Cited by 6 publications
(2 citation statements)
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“…Besides presenting the measurements, the results indicate no statistical difference between genders and a gradual increase in the range of mandibular movements, with significant differences mainly between the ages of 6-8 years and 10.1-12 years. Marangoni and Gil (2009) point that individuals with profound hearing loss may present vibrotactile responses when tested with supra-aural earphones due to the large skull area exposed to vibration in these transducers. For this reason these authors present a study that was designed to verify the influence of the type of transducer when assessing air conducted pure tone thresholds in 50 individuals with profound sensorineural hearing loss.…”
Section: Editorialmentioning
confidence: 99%
“…Besides presenting the measurements, the results indicate no statistical difference between genders and a gradual increase in the range of mandibular movements, with significant differences mainly between the ages of 6-8 years and 10.1-12 years. Marangoni and Gil (2009) point that individuals with profound hearing loss may present vibrotactile responses when tested with supra-aural earphones due to the large skull area exposed to vibration in these transducers. For this reason these authors present a study that was designed to verify the influence of the type of transducer when assessing air conducted pure tone thresholds in 50 individuals with profound sensorineural hearing loss.…”
Section: Editorialmentioning
confidence: 99%
“…One of the disadvantages of supra-aural earphones is the possibility of exhaust energy at low frequencies, because of not being very well connected; Furthermore, cause more discomfort due to the headband tension on the skull (3) . When compared to supra-aural, insert earphones to produce no pressure on the ear outer and the skull are more comfortable, generate greater reliability to the examination, have higher interaural attenuation and may reduce or eliminate the need for masking contralateral (4,5) , generate greater attenuation in environmental noise, allowing the realization of audiometric tests in non-isolated environments acoustically (6) , reduce the occlusion effect of the external ear canal in testing of bone conduction and reduce the risk of collapse of the external ear canal (7)(8)(9) . There are studies in the literature showing that there is a significant difference in the results obtained in the test and retest with the supra-aural and insert earphones, showing better results in the retest (10)(11)(12)(13) .…”
Section: Introductionmentioning
confidence: 99%