2018
DOI: 10.1590/2317-6431-2017-1861
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Efeito da idade no processamento auditivo temporal: benefício da modulação do mascaramento e efeito do pós-mascaramento

Abstract: RESUMO Objetivo Investigar o efeito da idade no benefício da modulação do ruído mascarante (masking release) e no pós-mascaramento ( forward masking). Métodos Participaram da pesquisa jovens (média de idade de 18 anos e quatro meses) e idosos (média de idade de 64 anos e três meses) falantes nativos do Português Brasileiro e com audição normal. Mediante uso de sentenças da versão brasileira do Hearing in Noise Test, determinou-se, para ambos os grupos, limiares de reconhecimento em presença de ruído estáve… Show more

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Cited by 3 publications
(7 citation statements)
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“…It is believed that such permanence of the temporal masking leads to the reduced signal-to-noise harnessing skill also during the minimal periods of masking; hence, the acoustic cues important for speech end up masked, so that both the speech comprehension and the auditory feedback that regulates vocal production are impaired. [54][55][56] The high thresholds in the temporal masking assessment suggest that, with advancing age, the acoustic cues are perceived with more difficulty, even when the noise is modulated due to the permanence of the masking. Still on the mean thresholds found, the time taken to conduct the assessment may have an influence on the MPP results, since sustained attention is required, which is tiring when other tests are applied in the same session.…”
Section: Discussionmentioning
confidence: 99%
“…It is believed that such permanence of the temporal masking leads to the reduced signal-to-noise harnessing skill also during the minimal periods of masking; hence, the acoustic cues important for speech end up masked, so that both the speech comprehension and the auditory feedback that regulates vocal production are impaired. [54][55][56] The high thresholds in the temporal masking assessment suggest that, with advancing age, the acoustic cues are perceived with more difficulty, even when the noise is modulated due to the permanence of the masking. Still on the mean thresholds found, the time taken to conduct the assessment may have an influence on the MPP results, since sustained attention is required, which is tiring when other tests are applied in the same session.…”
Section: Discussionmentioning
confidence: 99%
“…The speech recognition effect caused by available signs of the target stimulus/speech when facing masking fluctuations is called masking release, which is translated into Portuguese as 'Benefício do Mascaramento Modulado -BMM' (4) .…”
Section: Introductionmentioning
confidence: 99%
“…Despite the existence of BMM studies using psychoacoustic measurements in a sample of Brazilian individuals who are native speakers of Portuguese (4) , the behavior of the cortical potentials in response to this phenomenon is still unknown, and there are no normality parameters for this normal-hearing population.…”
Section: Introductionmentioning
confidence: 99%
“…O efeito no reconhecimento de fala causado por sinais disponíveis do estímulo alvo/fala diante das flutuações de mascaramento é denominado masking release, e traduzido para português como Benefício do Mascaramento Modulado -BMM (4) .…”
Section: Introductionunclassified
“…Apesar de haver estudos do BMM por meio de medidas psicoacústicas em indivíduos de nacionalidade brasileira e falante nativos do português (4) , ainda não se conhece o comportamento dos potenciais corticais diante deste fenômeno, não havendo parâmetros de normalidade para esta população normouvinte.…”
Section: Introductionunclassified