| Differences in distortion product otoacoustic emission phase recorded from human neonates using two popular probes. | |
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MedLine Citation:
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PMID: 20649189 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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DPOAE (2f(1)-f(2)) phase was measured across a 3-octave frequency range from two groups of newborns using ER10B+ and ER10C probe microphones. A marked phase shift was noted in the mid-to-high frequency range for newborn data recorded with the ER10C only. In contrast, the ER10B+ produced phase that was approximately invariant as a function of frequency for most of the range. Probe-related phase shifts can be effectively eliminated by correcting for variations in the phases of the primary tones. Results highlight the importance of detecting and correcting for system-related phase shifts so they are not misinterpreted as cochlear in origin. |
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Authors:
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Carolina Abdala; Sumitrajit Dhar |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 128 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-07-23 Completed Date: 2010-11-02 Revised Date: 2011-04-19 |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: EL49-55 Citation Subset: IM |
Affiliation:
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Division of Communication and Auditory Neuroscience, House Ear Institute, 2100 W Third Street, Los Angeles, California 90057, USA. cabdala@hei.org |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation Adult Age Factors Amplifiers, Electronic Calibration Equipment Design Evoked Potentials, Auditory, Brain Stem Female Hearing Loss / diagnosis*, physiopathology Hearing Tests / instrumentation*, standards Humans Infant, Newborn Los Angeles Male Neonatal Screening / instrumentation*, standards Otoacoustic Emissions, Spontaneous* Predictive Value of Tests Reproducibility of Results Signal Processing, Computer-Assisted |
| Grant Support | |
ID/Acronym/Agency:
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R01 DC003552/DC/NIDCD NIH HHS; R01 DC003552-11/DC/NIDCD NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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