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Implementing Frequency Modulation of Primary Tones Decreases the Depth of Distortion Product Otoacoustic Emission Microstructures
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In: ETSU Faculty Works (2015)
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| 2 |
Protocols of DPOAE Measurements Aimed at Reducing Test Time
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In: ETSU Faculty Works (2015)
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Abstract:
Routine clinical distortion product otoacoustic emission (DPOAE) tests use monaural sequential presentation of primary tones. To reduce testing time, multiple DPOAEs (mDPOAEs) can be measured by stimulating the ear with two tone pairs simultaneously. Moreover, both ears can be tested at the same time with a portable device, Sentiero (PATH medical GmbH), equipped with two sound probes. The purpose of the study was to evaluate whether mDPOAE measurements can be done in both ears simultaneously without mutual influence of primary tone pairs in the ipsilateral and the contralateral ear. Data were collected in 20 normal-hearing young adults. The DP-grams were obtained for seven f2- frequencies varying in the 1.5-8-kHz range with the level L2 set at 65 and 45 dB SPL, whereas the level L1 was adjusted according to the scissor paradigm. For each subject, a set of DP-gram data was collected using single- and multi-frequency presentations of the primaries for both monaural and binaural conditions. The mean DPOAE and noise levels collected with mDPOAE and binaural presentation conditions were highly reproducible when compared to those obtained with the single-frequency monaural paradigm. Thus, multi-frequency and binaural measurements could be applied to reduce DPOAE testing time considerably.
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Keyword:
Audiology and Speech-Language Pathology; DPOAE; measurements; protocols; reducing test time; Speech Pathology and Audiology
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URL: https://dc.etsu.edu/etsu-works/2210
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| 3 |
Preliminary Results of Multiple DPOAE Measurements Performed using the Sentiero System
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In: ETSU Faculty Works (2014)
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The Influence of High Frequency Hearing Loss on the Distortion Product Otoacoustic Emissions in Tinnitus Subjects with Normal Hearing Thresold (0,25-8kHz)
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In: ETSU Faculty Works (2012)
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DPOAEs in Normally Hearing Patients with Either Unilateral or Bilateral Tinnitus
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In: ETSU Faculty Works (2011)
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Distortion Product Otoacoustic Emissions in Normal-hearing Patients with Bilateral Tinnitus and in Non-tinnitus Controls
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In: ETSU Faculty Works (2011)
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| 7 |
Distortion-Product Otoacoustic Emissions in Normal-hearing Patients with Either Unilateral or Bilateral Tinnitus
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In: ETSU Faculty Works (2011)
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| 8 |
Influence of Low- and Ultra High-frequency Hearing Thresholds on Distortion Product Otoacoustic Emissions (DPOAEs): An Attempt to Separate DPOAE Generation Mechanisms
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In: ETSU Faculty Works (2010)
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Extended High-frequency Audiometry and DPOAEs in Patients with Unilateral Tinnitus
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In: ETSU Faculty Works (2010)
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| 10 |
Distortion Product Otoacoustic Emissions in Normal-hearing Patients with Unilateral Tinnitus
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In: ETSU Faculty Works (2010)
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| 11 |
Influence of Unilateral Tinnitus on Distortion Product Otoacoustic Emission Levels
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In: ETSU Faculty Works (2009)
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| 12 |
Extended High-frequency Audiometry and Distortion Product Otoacoustic Emissions in Normal-hearing Patients with Unilateral Tinnitus
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In: ETSU Faculty Works (2009)
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Ultra-high Frequency (UHF) Hearing and DPOAE Levels at Lower Frequencies
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In: ETSU Faculty Works (2008)
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| 14 |
Distortion-product Otoacoustic Emissions in Patients with Low-frequency Sensorineural Hearing Loss
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In: ETSU Faculty Works (2007)
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| 15 |
Relationship Between Hearing Sensitivity and Distortion-product Otoacoustic Emissions in Patients with Low-frequency Sensorineural Hearing Loss
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In: ETSU Faculty Works (2007)
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