2001
DOI: 10.1590/s0034-72992001000600012
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Ocorrência de reflexo acústico alterado em desordens do processamento auditivo

Abstract: Introdução: O limiar do reflexo acústico corresponde à menor intensidade de um som capaz de desencadear o mecanismo de proteção da orelha média frente a sons intensos (Metz, 1952;Jerger, 1970), sendo necessária a integridade estrutural e funcional do sistema auditivo perifé-rico e central em nível de tronco encefálico. Algumas dessas estruturas são também responsáveis pelo processamento central da informação auditiva. Objetivo: Procuramos verificar se alterações do reflexo acústico também estariam presentes na… Show more

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Cited by 20 publications
(18 citation statements)
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References 7 publications
(8 reference statements)
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“…In another study the auditory skills of figure ground and sequential memory were the ones who showed the greatest relevance in relation to the change of the acoustic reflex (18) . According to the literature, the action of the superior olivary complex regulates the contraction of intratympanic muscles and the skills involved in CAP.…”
Section: Discussionmentioning
confidence: 93%
“…In another study the auditory skills of figure ground and sequential memory were the ones who showed the greatest relevance in relation to the change of the acoustic reflex (18) . According to the literature, the action of the superior olivary complex regulates the contraction of intratympanic muscles and the skills involved in CAP.…”
Section: Discussionmentioning
confidence: 93%
“…[13][14][15] We were unable to measure up to which point the abnormalities were associated; they are, however, closely linked to impaired speech development.…”
Section: Discussionmentioning
confidence: 99%
“…[11][12] On the function of peripheral structures, there appears to be a close relation between acoustic reflexes, stapedial muscle contraction, and auditory processing; altered acoustic reflexes indicate disordered auditory processing behaviors. [13][14][15] An important tool is acoustic reflex threshold testing, which assesses efferent pathways and provides information about the brainstem. 16 Functions include: improved auditory attention for continuous sounds; separating auditory signals from background noise; perceiving altered intensity over the auditory threshold; attenuation of noise from chewing and jaw movements during speech; vocalizing; improved speech discrimination at high intensities and selected frequencies; improved localization of sound and a sense of direction of sound by binaural interaction.…”
Section: Introductionmentioning
confidence: 99%
“…• a ocorrência de alterações do RA em pacientes com DPA, tendo encontrado relações significantes entre esses dois achados 3,19 .…”
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