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Measurements of Basilar Membrane Tuning and Distortion with Laser Doppler Velocimetry

  • A. L. Nuttall
  • D. F. Dolan
  • G. Avinash
Part of the Lecture Notes in Biomathematics book series (LNBM, volume 87)

Abstract

A method is described for the measurement of basilar membrane (BM) vibration. It makes use of commercially made laser Doppler velocimetry (LDV) instrumentation which is adapted to a compound microscope. This allows visualization reflective objects placed on the EM and the focusing of the laser beam onto the reflective object (a glass microbead). We show examples of frequency tuning curves and displacement input/output intensity functions obtained with the technique and demonstrate that cubic distortion of both the local and propagated kind are present in mechanical responses of the membrane.

Keywords

Hair Cell Basilar Membrane Compound Action Potential Distortion Product Osseous Spiral Lamina 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • A. L. Nuttall
    • 1
  • D. F. Dolan
    • 1
  • G. Avinash
    • 1
  1. 1.Kresge Hearing Research InstituteUniversity of Michigan Medical SchoolAnn ArborUSA

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