2008
DOI: 10.1590/s0034-72992008000500016
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Sistema auditivo eferente: efeito no processamento auditivo

Abstract: O processamento da informação sonora depende da integridade das vias auditivas aferentes e eferentes. O sistema auditivo eferente pode ser avaliado por meio dos reflexos acústicos e da supressão das emissões otoacústicas. OBJETIVO: Verificar a atividade do sistema auditivo eferente, por meio da supressão das emissões otoacústicas (EOA) e da sensibilização do reflexo acústico no distúrbio de processamento auditivo. CASUÍSTICA E MÉTODO: Estudo prospectivo: 50 crianças com alteração de processamento auditivo (gru… Show more

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Cited by 12 publications
(19 citation statements)
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References 20 publications
(12 reference statements)
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“…According to some researches (16,17) , children with phonological disorders have difficulty with auditory attention and figureground tests. In contrast to our results, some studies have reported that children with language development deficits present evidence of auditory processing and TEOAE suppression effect alterations, suggesting deficits in this system (27) .…”
Section: Discussionmentioning
confidence: 99%
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“…According to some researches (16,17) , children with phonological disorders have difficulty with auditory attention and figureground tests. In contrast to our results, some studies have reported that children with language development deficits present evidence of auditory processing and TEOAE suppression effect alterations, suggesting deficits in this system (27) .…”
Section: Discussionmentioning
confidence: 99%
“…Despite evidences that children with phonological disorders have auditory processing alterations (16)(17)(18) , and that children with auditory processing disorders present reduction in the suppression effect of OAEs (17) , it was not found any literature data relating phonological disorders with the condition of the MOCS. Hence, the aim of this study was to verify whether children with phonological disorders have MOCS alterations…”
Section: Introductionmentioning
confidence: 91%
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“…The contralateral noise exerts inhibitory effect on the functioning of the external hair cells, the result is the reduction of the amplitude of otoacoustic emissions. This phenomenon, known as suppression effect of otoacoustic emissions, demonstrates the integrity of the medial system olivocochlear, since that innervate the external hair cells [2][3][4] . The mechanism by which the suppression effect of otoacoustic emissions occurs is not fully This research characterized by a pilot study, of descriptive typology, of qualitative and quantitative analysis.…”
Section: Introductionmentioning
confidence: 92%
“…It is believed that the medial olivocochlear efferent tract functions as a modulator. The medial olivocochlear efferent system adjusts active cochlear process through the slow contractions of the external hair cells, attenuates the rapid contractions and providing, specifically, a protective mechanism of the inner ear structures, by acoustic stimulation [3][4][5] .…”
Section: Conflict Of Interest: Non-existentmentioning
confidence: 99%