Sound Changes
Mostrando 1-12 de 128 artigos, teses e dissertações.
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1. Distortion Product Otoacoustic Emissions (DPOAEs) In Tinnitus Patients
Abstract Introduction Tinnitus is the perception of sound in the absence of external sound stimulation. There is a general agreement that it is a direct consequence of irreversible and permanent cochlear damage. Objectives The present work is designed to study the distortion product otoacoustic emissions (DPOAEs) in tinnitus patients with normal hearing in
International Archives of Otorhinolaryngology. Publicado em: 2022
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2. The effectiveness of berberine on noise-induced hearing loss: a rat model
SUMMARY OBJECTIVE: Noise-induced hearing loss is a preventable form of hearing loss that has serious social and economic impacts. This study aimed to investigate the protective effect of berberine, a potent antioxidant and anti-inflammatory agent, against Noise-induced hearing loss. METHODS: After applying distortion product otoacoustic emission, 28 female
Revista da Associação Médica Brasileira. Publicado em: 2022
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3. Is the Level of Noise in a School Environment be Harmful to the Hearing of Teachers?
Abstract Introduction The excessive noise observed in the school environment can cause damages or losses to the learning process as well as risks to the health of teachers and students, such as physical, mental and social impairments, including, among them, hearing loss. Objective To assess otoacoustic emissions in teachers and determine whether classroom
Int. Arch. Otorhinolaryngol.. Publicado em: 2020-12
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4. Exposição e reatividade do prematuro ao ruído em incubadora
RESUMO Objetivo Avaliar a exposição e a reatividade do prematuro ao ruído intenso durante o cuidado em incubadora. Método Estudo observacional prospectivo na unidade de cuidados intermediários de um hospital de Ribeirão Preto (SP). Na primeira etapa do estudo (dimensionamento do ruído) participaram 35 prematuros e na segunda (análise da reatividade
CoDAS. Publicado em: 07/11/2019
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5. Malting of preharvest sprouted wheat
RESUMO Germinação pré-colheita é um importante problema da cultura do trigo, sendo necessário encontrar alternativas para uso desses grãos porque eles são rejeitados pelos moinhos. No campo, sob determinadas condições climáticas, os grãos são estimulados a germinar, a atividade metabólica aumenta e as enzimas hidrolíticas alteram proteínas e c
Rev. Ciênc. Agron.. Publicado em: 04/11/2019
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6. Quality of life of children with poor school performance: association with hearing abilities and behavioral issues
RESUMO Investigar a qualidade de vida de crianças de 7 a 12 anos de idade com mau desempenho escolar e a associação com as características comportamentais e habilidades auditivas. Métodos: Estudo observacional transversal realizado com crianças de 7 a 12 anos de idade, com mau desempenho escolar das escolas públicas municipais de uma cidade do interi
Arq. Neuro-Psiquiatr.. Publicado em: 2019-03
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7. Effects of experimental bleaching agents on the mineral content of sound and demineralized enamels
Abstract High concentrations of hydrogen peroxide can cause adverse effects on composition and structure of teeth. However, the addition of calcium and fluoride in bleaching agents may reduce enamel demineralization. Objective: To evaluate chemical changes of sound and demineralized enamels submitted to high concentrations of hydrogen peroxide containing fl
J. Appl. Oral Sci.. Publicado em: 04/10/2018
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8. Roll Bonding of Steel Net-Reinforced Aluminium Strips
The present study is dedicated to the experimental determination of strain parameters at rolling of aluminium matrix with inserted wire netting. Two types of stainless steel fabric netting with different orientation to the rolling axis were placed between two aluminium strips and hot rolled. The rolling temperature and reduction were varied to achieve the so
Mat. Res.. Publicado em: 01/02/2018
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9. Does Body Mass Index Interfere in the Formation of Speech Formants?
Abstract Introduction Studies in the fields of voice and speech have increasingly focused on the vocal tract and the importance of its structural integrity, and changes in the anatomy and configuration of the vocal tract determine the variations in phonatory and acoustic measurements, especially in the formation of the formants (Fs). Recent studies have re
Int. Arch. Otorhinolaryngol.. Publicado em: 2018-01
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10. Classification of Flying Insects with high performance using improved DTW algorithm based on hidden Markov model
ABSTRACT Insects play significant role in the human life. And insects pollinate major food crops consumed in the world. Insect pests consume and destroy major crops in the world. Hence to have control over the disease and pests, researches are going on in the area of entomology using chemical, biological and mechanical approaches. The data relevant to the fl
Braz. arch. biol. technol.. Publicado em: 23/01/2017
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11. Tinnitus Neural Mechanisms and Structural Changes in the Brain: The Contribution of Neuroimaging Research
Introduction Tinnitus is an abnormal perception of sound in the absence of an external stimulus. Chronic tinnitus usually has a high impact in many aspects of patients' lives, such as emotional stress, sleep disturbance, concentration difficulties, and so on. These strong reactions are usually attributed to central nervous system involv
Int. Arch. Otorhinolaryngol.. Publicado em: 2015
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12. Superior Semicircular Canal Dehiscence Syndrome without Vestibular Symptoms
Introduction Superior semicircular canal dehiscence syndrome is mainly characterized by vestibular symptoms induced by intense sound stimuli or pressure changes, which occur because of dehiscence of the bony layer covering the superior semicircular canal. Case Report Here, we report a case of the syndrome with pulsatile tinnitus and ear fullness, in the
Int. Arch. Otorhinolaryngol.. Publicado em: 2014-04