Markus Drexl
Ludwig Maximilian University of Munich
26 Papers
251 Citations
Markus Drexl is an academic researcher from Ludwig Maximilian University of Munich. The author has contributed to research in topics: Cochlea & Efferent. The author has an hindex of 10, co-authored 26 publications. Previous affiliations of Markus Drexl include University of Sussex.
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Papers
Outer hair cell somatic, not hair bundle, motility is the basis of the cochlear amplifier
Marcia M. Mellado Lagarde,Markus Drexl,Victoria A. Lukashkina,Andrei N. Lukashkin,Ian J. Russell +4 more
TL;DR: Sensitivity, dynamic range and frequency tuning of the cochlea are attributed to amplification involving outer hair cell stereocilia and/or somatic motility, and it is concluded that somatic, and not stereOCilia, motility is the basis of cochlear amplification.
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Prestin's Role in Cochlear Frequency Tuning and Transmission of Mechanical Responses to Neural Excitation
TL;DR: It is proposed that the absence of prestin from OHCs, and consequent reduction in stiffness of the cochlea partition, changes the passive impedance of the BM at high frequencies, including the CF.
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Low-frequency sound affects active micromechanics in the human inner ear
Kathrin Kugler,Lutz Wiegrebe,Benedikt Grothe,Manfred Kössl,Robert Gürkov,Eike Krause,Markus Drexl +6 more
TL;DR: It is shown that a short exposure to perceptually unobtrusive, LF sounds significantly affects OHCs and strongly stimulate the human cochlea and affect amplification processes in the most sensitive and important frequency range of human hearing.
37
The effects of rise/fall time and plateau time on ocular vestibular evoked myogenic potentials.
TL;DR: A variety of stimuli is suitable for evoking oVEMP in healthy subjects and a 2–2–2 ms stimulus is recommended for clinical testing of oVemp elicited by air conducted sound, because it reproducibly generates oV EMP without exposing the ear to unnecessary amounts of acoustic energy.
28
Cochlear sensitivity in the lesser spear-nosed bat, Phyllostomus discolor
TL;DR: The results indicate that in P. discolor, cochlear sensitivity, as assessed by DPOAE recordings, does not show a threshold maximum at 55 kHz, and the characteristic pattern of subsequent threshold maxima and minima at high frequencies observed in behavioral studies seems to be shaped by transfer characteristics of the outer ear and/or neuronal processing in the ascending auditory pathway rather than by co chlear mechanics.
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