Spontaneous Basilar-Membrane Oscillation (SBMO) and Coherent Reflection
dc.contributor.author | Nuttall, Alfred L. | en_US |
dc.contributor.author | Boer, Egbert | en_US |
dc.date.accessioned | 2006-09-08T19:12:17Z | |
dc.date.available | 2006-09-08T19:12:17Z | |
dc.date.issued | 2006-03 | en_US |
dc.identifier.citation | Boer, Egbert; Nuttall, Alfred L.; (2006). "Spontaneous Basilar-Membrane Oscillation (SBMO) and Coherent Reflection." Journal of the Association for Research in Otolaryngology 7(1): 26-37. <http://hdl.handle.net/2027.42/41389> | en_US |
dc.identifier.issn | 1525-3961 | en_US |
dc.identifier.issn | 1438-7573 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/41389 | |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=16429234&dopt=citation | en_US |
dc.description.abstract | In a previous report (in JARO) we have described a relatively high-frequency (15 kHz) spontaneous oscillation of the basilar membrane (SBMO) in a guinea pig ear; this oscillation was accompanied by a spontaneous otoacoustic emission (SOAE) at the same frequency. During the spontaneous oscillation and after it had subsided, the mechanical frequency response of the basilar membrane was measured by way of a wide-band random-noise stimulus, and it showed a number of spectral peaks, one of which having the frequency of the original oscillation. This pattern of peaks cannot be explained by assuming a single place of reflection in the cochlea. In this paper the process of ‘coherent reflection’ is artificially evoked in a three-dimensional model of the cochlea by imposing random place-fixed irregularities to the basilar-membrane impedance. It is shown that in the model a series of peaks arises in the frequency spectrum of the basilar-membrane response which phenomenon resembles the one found in the experimental animal. It is also shown that these peaks are actually due to superposition of the primary wave and a wave resulting from ‘coherent reflection’ which is reflected at the stapes. When the intensity of the acoustic stimulus signal is increased, the relative sizes of these peaks in the simulation diminish in about the same way as in the experiment. It is concluded that coherent reflection most likely is the cause of the ‘extra peaks’, and that this concept can also explain the observed level dependence of these peaks. The findings of this study lead to a minor refinement regarding the actual requirements for coherent reflection to arise. | en_US |
dc.format.extent | 404344 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Springer-Verlag; Association for Research in Otolaryngology | en_US |
dc.subject.other | Active Cochlea | en_US |
dc.subject.other | Spontaneous Oscillation | en_US |
dc.subject.other | Coherent Reflection | en_US |
dc.subject.other | Basilar Membrane | en_US |
dc.title | Spontaneous Basilar-Membrane Oscillation (SBMO) and Coherent Reflection | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Otolaryngology | en_US |
dc.subject.hlbsecondlevel | Otolaryngology | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Oregon Hearing Research Center, NRC04, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239-3098, USA, ; Kresge Hearing Research Institute, University of Michigan, 1301 E. Ann Street, Ann Arbor, MI, 48109-0506, USA, | en_US |
dc.contributor.affiliationother | Academic Medical Center, University of Amsterdam, Room D2-226, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands, | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.identifier.pmid | 16429234 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/41389/1/10162_2005_Article_20.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/s10162-005-0020-9 | en_US |
dc.identifier.source | Journal of the Association for Research in Otolaryngology | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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