Statistics of instabilities in a state space model of the human cochlea
A state space model of the human cochlea is used to test Zweig and Shera's [( 1995 ) " The origin of periodicity in the spectrum of evoked otoacoustic emissions ," J. Acoust. Soc. Am. 98 ( 4 ), 2018-2047 ] multiple-reflection theory of spontaneous otoacoustic emission (SOAE) generatio...
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| creator | Ku, Emery M. Elliott, Stephen J. Lineton, Ben |
| description | A state space model of the human cochlea is used to test
Zweig
and
Shera's
[(
1995
) "
The origin of periodicity in the spectrum of evoked otoacoustic emissions
,"
J. Acoust. Soc. Am.
98
(
4
),
2018-2047
] multiple-reflection theory of spontaneous otoacoustic emission (SOAE) generation. The state space formulation is especially well suited to this task as the unstable frequencies of an active model can be rapidly and unambiguously determined. The cochlear model includes a human middle ear boundary and matches human enhancement, tuning, and traveling wave characteristics. Linear instabilities can arise across a wide bandwidth of frequencies in the model when the smooth spatial variation of basilar membrane impedance is perturbed, though it is believed that only unstable frequencies near the middle ear's range of greatest transmissibility are detected as SOAEs in the ear canal. The salient features of Zweig and Shera's theory are observed in this active model given several classes of perturbations in the distribution of feedback gain along the cochlea. Spatially random gain variations are used to approximate what may exist in human cochleae. The statistics of the unstable frequencies for random, spatially dense variations in gain are presented; the average spacings of adjacent unstable frequencies agree with the preferred minimum distance observed in human SOAE data. |
| doi_str_mv | 10.1121/1.2939133 |
| format | Article |
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Zweig
and
Shera's
[(
1995
) "
The origin of periodicity in the spectrum of evoked otoacoustic emissions
,"
J. Acoust. Soc. Am.
98
(
4
),
2018-2047
] multiple-reflection theory of spontaneous otoacoustic emission (SOAE) generation. The state space formulation is especially well suited to this task as the unstable frequencies of an active model can be rapidly and unambiguously determined. The cochlear model includes a human middle ear boundary and matches human enhancement, tuning, and traveling wave characteristics. Linear instabilities can arise across a wide bandwidth of frequencies in the model when the smooth spatial variation of basilar membrane impedance is perturbed, though it is believed that only unstable frequencies near the middle ear's range of greatest transmissibility are detected as SOAEs in the ear canal. The salient features of Zweig and Shera's theory are observed in this active model given several classes of perturbations in the distribution of feedback gain along the cochlea. Spatially random gain variations are used to approximate what may exist in human cochleae. The statistics of the unstable frequencies for random, spatially dense variations in gain are presented; the average spacings of adjacent unstable frequencies agree with the preferred minimum distance observed in human SOAE data.</description><identifier>ISSN: 0001-4966</identifier><identifier>EISSN: 1520-8524</identifier><identifier>DOI: 10.1121/1.2939133</identifier><identifier>PMID: 18681597</identifier><identifier>CODEN: JASMAN</identifier><language>eng</language><publisher>Woodbury, NY: Acoustical Society of America</publisher><subject>Biological and medical sciences ; Cochlea - anatomy & histology ; Cochlea - physiology ; Computer Simulation ; Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation ; Ear, Middle - anatomy & histology ; Ear, Middle - physiology ; Fundamental and applied biological sciences. Psychology ; Humans ; Linear Models ; Models, Anatomic ; Models, Biological ; Models, Statistical ; Otoacoustic Emissions, Spontaneous ; Periodicity ; Pressure ; Time Factors ; Vertebrates: nervous system and sense organs ; Vibration</subject><ispartof>The Journal of the Acoustical Society of America, 2008-08, Vol.124 (2), p.1068-1079</ispartof><rights>2008 Acoustical Society of America</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-8694cd88f26f74c083b146af54d0f33a167a2bf85f3a48d3d54bcb2e2523853e3</citedby><cites>FETCH-LOGICAL-c434t-8694cd88f26f74c083b146af54d0f33a167a2bf85f3a48d3d54bcb2e2523853e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jasa/article-lookup/doi/10.1121/1.2939133$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>207,208,314,780,784,794,1565,4512,27924,27925,76384</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20562557$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18681597$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ku, Emery M.</creatorcontrib><creatorcontrib>Elliott, Stephen J.</creatorcontrib><creatorcontrib>Lineton, Ben</creatorcontrib><title>Statistics of instabilities in a state space model of the human cochlea</title><title>The Journal of the Acoustical Society of America</title><addtitle>J Acoust Soc Am</addtitle><description>A state space model of the human cochlea is used to test
Zweig
and
Shera's
[(
1995
) "
The origin of periodicity in the spectrum of evoked otoacoustic emissions
,"
J. Acoust. Soc. Am.
98
(
4
),
2018-2047
] multiple-reflection theory of spontaneous otoacoustic emission (SOAE) generation. The state space formulation is especially well suited to this task as the unstable frequencies of an active model can be rapidly and unambiguously determined. The cochlear model includes a human middle ear boundary and matches human enhancement, tuning, and traveling wave characteristics. Linear instabilities can arise across a wide bandwidth of frequencies in the model when the smooth spatial variation of basilar membrane impedance is perturbed, though it is believed that only unstable frequencies near the middle ear's range of greatest transmissibility are detected as SOAEs in the ear canal. The salient features of Zweig and Shera's theory are observed in this active model given several classes of perturbations in the distribution of feedback gain along the cochlea. Spatially random gain variations are used to approximate what may exist in human cochleae. The statistics of the unstable frequencies for random, spatially dense variations in gain are presented; the average spacings of adjacent unstable frequencies agree with the preferred minimum distance observed in human SOAE data.</description><subject>Biological and medical sciences</subject><subject>Cochlea - anatomy & histology</subject><subject>Cochlea - physiology</subject><subject>Computer Simulation</subject><subject>Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation</subject><subject>Ear, Middle - anatomy & histology</subject><subject>Ear, Middle - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Models, Anatomic</subject><subject>Models, Biological</subject><subject>Models, Statistical</subject><subject>Otoacoustic Emissions, Spontaneous</subject><subject>Periodicity</subject><subject>Pressure</subject><subject>Time Factors</subject><subject>Vertebrates: nervous system and sense organs</subject><subject>Vibration</subject><issn>0001-4966</issn><issn>1520-8524</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp10MtKAzEUgOEgiq3VhS8g2Si4mJp7MxtBijcouFDXIZNJaGQudU668O2dYQa7chVO-DgHfoQuKVlSyugdXbKc55TzIzSnkpFMSyaO0ZwQQjORKzVDZwBf_Sg1z0_RjGqlqcxXc_T8nmyKkKID3AYcG0i2iFVM0UM_YYv7j-Qx7KzzuG5LXw0ubT3e7mvbYNe6beXtOToJtgJ_Mb0L9Pn0-LF-yTZvz6_rh03mBBcp0yoXrtQ6MBVWwhHNCyqUDVKUJHBuqVpZVgQtA7dCl7yUonAF80wyriX3fIFuxr27rv3ee0imjuB8VdnGt3swqg-RK0l6eDtC17UAnQ9m18Xadj-GEjNUM9RM1Xp7NS3dF7UvD3LK1IPrCVhwtgqdbVyEP8eIVEzKwd2PDlwcurbN_1cP4U0bzBie_wJXm4hv</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Ku, Emery M.</creator><creator>Elliott, Stephen J.</creator><creator>Lineton, Ben</creator><general>Acoustical Society of America</general><general>American Institute of Physics</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20080801</creationdate><title>Statistics of instabilities in a state space model of the human cochlea</title><author>Ku, Emery M. ; Elliott, Stephen J. ; Lineton, Ben</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-8694cd88f26f74c083b146af54d0f33a167a2bf85f3a48d3d54bcb2e2523853e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Biological and medical sciences</topic><topic>Cochlea - anatomy & histology</topic><topic>Cochlea - physiology</topic><topic>Computer Simulation</topic><topic>Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation</topic><topic>Ear, Middle - anatomy & histology</topic><topic>Ear, Middle - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Linear Models</topic><topic>Models, Anatomic</topic><topic>Models, Biological</topic><topic>Models, Statistical</topic><topic>Otoacoustic Emissions, Spontaneous</topic><topic>Periodicity</topic><topic>Pressure</topic><topic>Time Factors</topic><topic>Vertebrates: nervous system and sense organs</topic><topic>Vibration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ku, Emery M.</creatorcontrib><creatorcontrib>Elliott, Stephen J.</creatorcontrib><creatorcontrib>Lineton, Ben</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><jtitle>The Journal of the Acoustical Society of America</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ku, Emery M.</au><au>Elliott, Stephen J.</au><au>Lineton, Ben</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Statistics of instabilities in a state space model of the human cochlea</atitle><jtitle>The Journal of the Acoustical Society of America</jtitle><addtitle>J Acoust Soc Am</addtitle><date>2008-08-01</date><risdate>2008</risdate><volume>124</volume><issue>2</issue><spage>1068</spage><epage>1079</epage><pages>1068-1079</pages><issn>0001-4966</issn><eissn>1520-8524</eissn><coden>JASMAN</coden><abstract>A state space model of the human cochlea is used to test
Zweig
and
Shera's
[(
1995
) "
The origin of periodicity in the spectrum of evoked otoacoustic emissions
,"
J. Acoust. Soc. Am.
98
(
4
),
2018-2047
] multiple-reflection theory of spontaneous otoacoustic emission (SOAE) generation. The state space formulation is especially well suited to this task as the unstable frequencies of an active model can be rapidly and unambiguously determined. The cochlear model includes a human middle ear boundary and matches human enhancement, tuning, and traveling wave characteristics. Linear instabilities can arise across a wide bandwidth of frequencies in the model when the smooth spatial variation of basilar membrane impedance is perturbed, though it is believed that only unstable frequencies near the middle ear's range of greatest transmissibility are detected as SOAEs in the ear canal. The salient features of Zweig and Shera's theory are observed in this active model given several classes of perturbations in the distribution of feedback gain along the cochlea. Spatially random gain variations are used to approximate what may exist in human cochleae. The statistics of the unstable frequencies for random, spatially dense variations in gain are presented; the average spacings of adjacent unstable frequencies agree with the preferred minimum distance observed in human SOAE data.</abstract><cop>Woodbury, NY</cop><pub>Acoustical Society of America</pub><pmid>18681597</pmid><doi>10.1121/1.2939133</doi><tpages>12</tpages></addata></record> |
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| subjects | Biological and medical sciences Cochlea - anatomy & histology Cochlea - physiology Computer Simulation Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation Ear, Middle - anatomy & histology Ear, Middle - physiology Fundamental and applied biological sciences. Psychology Humans Linear Models Models, Anatomic Models, Biological Models, Statistical Otoacoustic Emissions, Spontaneous Periodicity Pressure Time Factors Vertebrates: nervous system and sense organs Vibration |
| title | Statistics of instabilities in a state space model of the human cochlea |
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