Distortion-Product Otoacoustic Emissions (DPEs) in Neonates: Frequency Ratio (F2/F1) and Stimulus Level Differences (L1-L2)
Stimulus parameter values for distortion-product otoacoustic emissions (DPE) recordings in neonates are based on adult studies. The purpose of the present investigation was to determine what values of stimulus frequency ratio (F2/F1) and stimulus level difference (L1-L2) produced the largest DPE amp...
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| Veröffentlicht in: | Acta oto-laryngologica 1999, Vol.119 (4), p.431-436 |
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| creator | QUINONEZ, R. E |
| description | Stimulus parameter values for distortion-product otoacoustic emissions (DPE) recordings in neonates are based on adult studies. The purpose of the present investigation was to determine what values of stimulus frequency ratio (F2/F1) and stimulus level difference (L1-L2) produced the largest DPE amplitude in neonates. Single ear DPE measurements were obtained from 11 preterm neonates (34-36 weeks post-conceptual age) at F2s of 2, 3, and 4 kHz. Ratio sweeps were performed through a frequency range determined by F2/F1=1.4-1.02 at L1-L2s of 0, 5, 10, 15 and 20 dB, where L1=65 dB SPL. The findings indicated that on average, an L1-L2=5 dB and an F2/F1=1.18 produced the largest DPE amplitude across all F2s. |
| doi_str_mv | 10.1080/00016489950180955 |
| format | Article |
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Stomatology</subject><ispartof>Acta oto-laryngologica, 1999, Vol.119 (4), p.431-436</ispartof><rights>1999 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 1999</rights><rights>1999 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-6904b7639351c8660225a2ef06fc61b3540c5c91e9324bfb22c2af4c986158893</citedby><cites>FETCH-LOGICAL-c431t-6904b7639351c8660225a2ef06fc61b3540c5c91e9324bfb22c2af4c986158893</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/00016489950180955$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/00016489950180955$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,4024,27923,27924,27925,59647,59753,60436,60542,61221,61256,61402,61437</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1871862$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10445057$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>QUINONEZ, R. E</creatorcontrib><title>Distortion-Product Otoacoustic Emissions (DPEs) in Neonates: Frequency Ratio (F2/F1) and Stimulus Level Differences (L1-L2)</title><title>Acta oto-laryngologica</title><addtitle>Acta Otolaryngol</addtitle><description>Stimulus parameter values for distortion-product otoacoustic emissions (DPE) recordings in neonates are based on adult studies. The purpose of the present investigation was to determine what values of stimulus frequency ratio (F2/F1) and stimulus level difference (L1-L2) produced the largest DPE amplitude in neonates. Single ear DPE measurements were obtained from 11 preterm neonates (34-36 weeks post-conceptual age) at F2s of 2, 3, and 4 kHz. Ratio sweeps were performed through a frequency range determined by F2/F1=1.4-1.02 at L1-L2s of 0, 5, 10, 15 and 20 dB, where L1=65 dB SPL. The findings indicated that on average, an L1-L2=5 dB and an F2/F1=1.18 produced the largest DPE amplitude across all F2s.</description><subject>Acoustic Stimulation</subject><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Cochlea - physiology</subject><subject>Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology</subject><subject>Hearing Tests</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Medical sciences</subject><subject>Neonatal Screening</subject><subject>Non tumoral diseases</subject><subject>Otoacoustic Emissions, Spontaneous - physiology</subject><subject>Otorhinolaryngology functional investigation (larynx, voice, audiometry, vestibular function, equilibration...)</subject><subject>Otorhinolaryngology. Stomatology</subject><issn>0001-6489</issn><issn>1651-2251</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE-LFDEQxYMo7rj6AbxIDiI7h3ZT6U46US-yM6NC4y7-OTfpTMJmSXfWJK0MfnkzzIiKsKeiqN971HsIPQXyEogg54QQ4I2QkhEQRDJ2Dy2AM6goZXAfLfb3ag-coEcp3exXKdhDdAKkaRhh7QL9XLmUQ8wuTNVVDNtZZ3yZg9JhTtlpvB5dSuWY8Nnqap2W2E34owmTyia9wptovs1m0jv8SRULfLah5xtYYjVt8efsxtnPCXfmu_F45aw1sbCmWHVQdXT5GD2wyifz5DhP0dfN-svF-6q7fPfh4m1X6aaGXHFJmqHltawZaME5KekUNZZwqzkMNWuIZlqCkTVtBjtQqqmyjZaCAxNC1qfoxcH3Nobybsp9CaWN92oyJWbPS4Fctm0B4QDqGFKKxva30Y0q7nog_b7x_r_Gi-bZ0XweRrP9S3GouADPj4BKWnkb1aRd-sOJFgSnBXtzwNxkQxzVjxD9ts9q50P8ranveuP1P_Jro3y-1iqa_ibMcSr93hHiFySqqrE</recordid><startdate>1999</startdate><enddate>1999</enddate><creator>QUINONEZ, R. 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Stomatology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>QUINONEZ, R. E</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><jtitle>Acta oto-laryngologica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>QUINONEZ, R. 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Ratio sweeps were performed through a frequency range determined by F2/F1=1.4-1.02 at L1-L2s of 0, 5, 10, 15 and 20 dB, where L1=65 dB SPL. The findings indicated that on average, an L1-L2=5 dB and an F2/F1=1.18 produced the largest DPE amplitude across all F2s.</abstract><cop>Stockholm</cop><pub>Informa UK Ltd</pub><pmid>10445057</pmid><doi>10.1080/00016489950180955</doi><tpages>6</tpages></addata></record> |
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| ispartof | Acta oto-laryngologica, 1999, Vol.119 (4), p.431-436 |
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| source | MEDLINE; Taylor & Francis Medical Library - CRKN; Taylor & Francis Journals Complete |
| subjects | Acoustic Stimulation Adult Biological and medical sciences Cochlea - physiology Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology Hearing Tests Humans Infant, Newborn Investigative techniques, diagnostic techniques (general aspects) Medical sciences Neonatal Screening Non tumoral diseases Otoacoustic Emissions, Spontaneous - physiology Otorhinolaryngology functional investigation (larynx, voice, audiometry, vestibular function, equilibration...) Otorhinolaryngology. Stomatology |
| title | Distortion-Product Otoacoustic Emissions (DPEs) in Neonates: Frequency Ratio (F2/F1) and Stimulus Level Differences (L1-L2) |
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