title: Analysis of an impulse response measured at the basilar membrane of the chinchilla.
abstract: In a recent paper [J. Acoust. Soc. Am. 133, 2224-2239 (2013)], Shera and Cooper report on the impulse response of the basilar membrane (BM) of a chinchilla, a waveform which shows repetitive bursts. They explain the bursts in terms of repeated coherent reflection at BM discontinuities and partial reflection at the stapes ("coherent reflection filtering"). Here the same waveform is examined in detail, highlighting features which indicate that the coherent reflection model, with calls for the same repetitive process to act on each successive burst, does not fully account for the shape of the measured impulse response.
authors.affiliation: Department of Otorhinolaryngology/Head and Neck Surgery, University of Groningen, University Medical Center Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands.
authors.forename: Hero P
authors.initials: HP
authors.lastname: Wit
authors.affiliation: John Curtin School of Medical Research, The Australian National University, Canberra, Australian Capital Territory 0200, Australia.
authors.forename: Andrew
authors.initials: A
authors.lastname: Bell
mesh_terms: D000818:Animals; D001489:Basilar Membrane / Q000502:physiology*; D002682:Chinchilla / Q000502:physiology*; D040542:Mechanotransduction, Cellular; D013016:Sound