使用被吸收声功率对人类婴儿和成人的畸变产物耳声发射抑制进行调谐。
Distortion-product otoacoustic-emission suppression tuning in human infants and adults using absorbed sound power.
机构信息
Boys Town National Research Hospital, 555 North 30th Street, Omaha, Nebraska 68131, USA.
出版信息
J Acoust Soc Am. 2011 Apr;129(4):EL108-13. doi: 10.1121/1.3553389.
Abstract
The greatest difference in distortion product otoacoustic emission (DPOAE) suppression tuning curves (STCs) in infant and adult ears occurs at a stimulus frequency of 6 kHz. These infant and adult STCs are much more similar when constructed using the absorbed power level of the stimulus and suppressor tones rather than using sound pressure level. This procedure incorporates age-related differences in forward and reverse transmission of sound power through the ear canal and middle ear. These results support the theory that the cochlear mechanics underlying DPOAE suppression are substantially mature in full-term infants.
摘要
在 6 kHz 的刺激频率下，婴儿和成人的畸变产物耳声发射（DPOAE）抑制调谐曲线（STC）存在最大差异。当使用刺激和抑制音的吸收功率水平而不是声压级来构建这些婴儿和成人的 STC 时，它们会更加相似。该程序纳入了年龄相关的通过耳道和中耳向前和向后传输声能的差异。这些结果支持了这样一种理论，即在完全发育的婴儿中，DPOAE 抑制的耳蜗力学已经基本成熟。
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J Acoust Soc Am. 2011 Feb;129(2):779-91. doi: 10.1121/1.3531796.
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Distortion product otoacoustic emission suppression tuning and acoustic admittance in human infants: birth through 6 months.人类婴儿出生至6个月期间的畸变产物耳声发射抑制调谐与声导纳
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3
Theory of forward and reverse middle-ear transmission applied to otoacoustic emissions in infant and adult ears.应用于婴幼儿及成人耳耳声发射的中耳正反传理论。
J Acoust Soc Am. 2007 Feb;121(2):978-93. doi: 10.1121/1.2427128.
4
Effects of middle-ear immaturity on distortion product otoacoustic emission suppression tuning in infant ears.中耳发育不成熟对婴儿耳畸变产物耳声发射抑制调谐的影响。
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