Cochlear Mechanics: Introduction to a Time Domain Analysis by Hendrikus Duifhuis

By Hendrikus Duifhuis

The box of cochlear mechanics has obtained an expanding curiosity during the last few many years. within the majority of those reports the researchers use linear platforms research or linear approximations of the nonlinear (NL) platforms. although it has been transparent that the intact cochlea operates nonlinearly, loss of instruments for correct nonlinear research, and extensively to be had instruments for linear research nonetheless bring about inefficient and probably mistaken interpretation of the biophysics of the cochlea. An instance is the presumption swap in cochlear stiffness at hair cellphone point needs to account for the saw switch in tuning (or frequency mapping) because of prestin program. Hypotheses like this must be addressed in an academic that's lucid adequate to investigate and clarify easy ameliorations.

Cochlear Mechanics offers an invaluable and mathematically justified/justifiable strategy primarily a part of the textual content, an procedure that would be elucidated with transparent examples. The e-book can be priceless to scientists in auditory neuroscience, in addition to graduate scholars in biophysics/biomedical engineering.

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Extra info for Cochlear Mechanics: Introduction to a Time Domain Analysis of the Nonlinear Cochlea

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2) where the brackets indicate time averaging over at least one cycle of the input signal. The dot product represents the effect of the phase angle between p and U , and U 1 The OW mass- and damping parameters can be incorporated in the stapes footplate properties. For both OW and RW, the primary elastic properties regard attachment at the window edges. Usually, they are included in a middle ear model (Sect. 2). In simpler models, the RW-stiffness is neglected altogether (Sect. 1). 2 Mechanical Properties of the Cochlear Structure and the System Equations 37 is supposed to be perpendicular to the footplate—OW surface Ast , otherwise the spatial input angle has to be accounted for as well.

Von B´ek´esy, Ranke and Zwislocki all had been in the field for quite some time. They started their research on the European mainland around 1930. Many of their initial publications, which contain important details, appeared in German in European journals. The 1950 papers by Ranke and Zwislocki are reviews of their previous work, and remain primarily descriptive, whereas the more recent study by Petersen and Bogert goes into detail. Although Ranke and Zwislocki describe a very similar objective, their basic assumptions start to deviate almost from the beginning, and they dispute each other’s hypotheses rather unmistakably.

Proceedings KNAW 13(II):649–652 Derbyshire AJ, Davis H (1935) The action potential of the auditory nerve. Unknown Journal 113:476–504 Finger S (1994) Origins of Neuroscience. 8 The Ear and Theories of Hearing. 9 Audition and the Central Nervous System Forbes A, Miller RH, O’Connor J (1927) Electric responces to acoustic stimuli in the decerebrate animal. Amer J Physiol 80:363–380 Fourier JBJ (1822) Th´eorie Analytique de la Chaleur. Firmin Didot, Paris Galambos R, Davis H (1943) The response of single auditory-nerve fibers to acoustic stimulation.

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