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Evoked Ofoacoustic Emissions in Normal Hearing Infants and ChildrenEmerging Data and Issues

 

作者: Susan Norton,   Judith Widen,  

 

期刊: Ear and Hearing  (OVID Available online 1990)
卷期: Volume 11, issue 2  

页码: 121-127

 

ISSN:0196-0202

 

年代: 1990

 

出版商: OVID

 

数据来源: OVID

 

摘要:

Evoked otoacoustic emissions (EOAEs) are a promising tool for evaluating cochlear status in children. Preliminary data from normal-hearing subjects ranging from birth to 29.9 years old are discussed. EOAEs are present and robust in infant ears. However, there is a statistically significant decrease in EOAE amplitude for a fixed stimulus level with increasing age even in a carefully screened sample. At the present time it is unclear if these ageassociated changes are due to normal developmental changes in the external and/or middle ear acoustics, normal developmental changes in cochlear mechanics and/or everyday cochlear wear and tear. Issues related to further application of evoked emissions to pediatrie populations are discussed.

 

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