27 resultados para ear

em School of Medicine, Washington University, United States


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This paper investigates the relationship between hair cell proliferation and immunosuppression in chicks.

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This paper is a review of a study to investigate the effects of excessive noise exposure to the organ of Corti using chinchillas.

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This paper discusses the use of tympanometric gradient, middle ear resonance and static admittance as diagnostic tools for testing the hearing of children and infants.

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This paper addresses cochlear transplantation and presents a study on the effect of brain derived neurotrophic factor (BDNF) and Neurotrophin-3 (NT-3) on the survival of transplanted embryonic inner ear tissues.

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This series of experiments attempted to characterize the abilities of stem cells derived from bone marrow and adipose tissue to integrate into the sensory epithelium of the inner ear and to differentiate into hair cells or neural cell types.

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This paper discusses a study to determine if inadvertent venting introduced by a probe-tube significantly alters real ear gain measurements when vented earmolds fit tightly.

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This paper discusses a study performed to determine whether anatomical features of the outer ear affect the sound stimulus delivered by earphone to the tympanic membrane.

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This paper is a review of a study to determine whether the use of otoscopic examination and middle ear impedance measurement are feasible tools for use by an audiologist during a screening program.

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The notion that the default telecoil (t-coil) frequency response should match the programmed microphone frequency response to provide optimal telephone understanding for hearing aid patients has received little attention. This study addresses differences in the average frequency response of the two transducers in behind-the-ear (BTE) hearing aids.

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This paper presents a study investigating the relationship between tympanometry measures of the middle ear and Distortion Product Otoacoustic Emissions (DPOAE) screening, suggesting that using a combination of the two methods in pediatricians’ offices would result in fewer inappropriate referrals for comprehensive hearing evaluations.

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The purpose of this study was to assess the use of 1 kHz tympanometry in young infants. A larger sample will be needed to develop definitive norms and determine the sensitivity and specificity of 1 kHz tympanometry for middle ear pathology in young infants.