Results 191 to 200 of about 4,622 (224)
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Aspects of spontaneous otoacoustic emissions in healthy newborns
Hearing Research, 1993Spontaneous otoacoustic emissions (SOAEs) are pure-tone like signals, spontaneously present in the ear canal. In normal adult ears the prevalence of SOAEs is reported to be 30-70%, probably depending on the noise floor of the recordings. In infant studies, results on the SOAE prevalence are rare.
M R, Kok, G A, van Zanten, M P, Brocaar
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Effects of External Stimuli on Spontaneous Otoacoustic Emissions
Ear and Hearing, 1988The behavior of spontaneous otoacoustic emissions (SOAEs) is affected by external stimuli. A series of experiments was conducted with 25 normal-hearing subjects to explore multiple and bilateral SOAEs, frequency and amplitude drift of SOAEs, suppression functions and existence regions for distortion products generated by the interaction of SOAEs and ...
L R, Frick, M L, Matthies
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Prevalence of spontaneous otoacoustic emissions in adults revisited
Hearing Research, 1997The potential influence of spectral analysis factors on estimates of the prevalence of spontaneous otoacoustic emissions (SOAE) was explored. The detection of a SOAE was influenced by two spectral factors: (1) the frequency resolution of the spectrum, and (2) the number of spectral averages.
M J, Penner, T, Zhang
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Amplitude and frequency fluctuations of spontaneous otoacoustic emissions
The Journal of the Acoustical Society of America, 1990Amplitude and frequency fluctuations of spontaneous otoacoustic emissions have been studied. Spontaneous otoacoustic emissions were recorded from eight human ears and two frog ears (Rana esculenta). Record length typically was 80 s. For a recorded emission signal, the amplitude signal A(t) (average A0) and time intervals T(ti) between successive ...
P, van Dijk, H P, Wit
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Spontaneous Otoacoustic Emissions and Sensori-neural Hearing Loss
Acta Oto-Laryngologica, 1991This study sought to clarify the clinical relevance of spontaneous otoacoustic emissions (SOAEs) and to define the hearing loss level (and frequency) at which absence of SOAE is found. Findings from 126 ears of patients with sensori-neural hearing loss showed an incidence of SOAEs in 18.25% of the cases (23 out of 126 ears). SOAEs were never found when
A, Moulin +3 more
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Interactions Among Multiple Spontaneous Otoacoustic Emissions
1986Evidence has recently been obtained (Burns et al., 1984) for several interactions among spontaneous otoacoustic emissions (SOAEs) including intermodulation distortion products, mutual suppression, and noncontiguous-linked SOAEs which apparently share energy between two quasi-stable states.
Kenneth Jones +4 more
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Spontaneous otoacoustic emissions in heterosexuals, homosexuals, and bisexuals
The Journal of the Acoustical Society of America, 1999Click-evoked otoacoustic emissions (CEOAEs) were previously shown to be significantly less strong in homosexual and bisexual females than in heterosexual females. Here it is reported that the spontaneous otoacoustic emissions (SOAEs) of those same 60 homosexual and bisexual females were less numerous and weaker than those in 57 heterosexual females ...
D, McFadden, E G, Pasanen
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Spontaneous otoacoustic emission
Neuroscience Research Supplements, 1988Masashi Sugasawa +4 more
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The idiotone and spontaneous otoacoustic emissions
The Journal of the Acoustical Society of America, 1997Although the preponderance of Dix Ward’s work was in the area of the effects of noise on hearing, his paper on tonal monaural displacusis [J. Acoust. Soc. Am. 27, 365–372 (1955)] has always been my favorite from among all of his papers. In this paper, published several years after he had completed his work at Harvard and was being introduced to noise ...
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Even-longer-term stability of spontaneous otoacoustic emissions
The Journal of the Acoustical Society of America, 2017This report is an addendum to a previous report by Burns [(2009). J. Acoust. Soc. Am. 125, 3166−3176] that measured spontaneous otoacoustic emissions (SOAEs) in 18 subjects, whose ages at the time of initial measurement ranged from 6 to 42 yr, for follow-up periods of up to 19.5 yr. The major finding of that report was that the frequencies of all SOAEs,
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