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Mammalian cochlea as a physics guided evolution-optimized hearing sensor


Lorimer, Tom; Gomez, Floarin; Stoop, Ruedi (2015). Mammalian cochlea as a physics guided evolution-optimized hearing sensor. Scientific Reports, 5(12492):online.

Abstract

Nonlinear physics plays an essential role in hearing. We demonstrate on a mesoscopic description level that during the evolutionary perfection of the hearing sensor, nonlinear physics led to the unique design of the cochlea observed in mammals, and that this design requests as a consequence the perception of pitch. Our insight challenges the view that mostly genetics is responsible for the uniformity of the construction of the mammalian hearing sensor. Our analysis also suggests that scaleable and non-scaleable arrangements of nonlinear sound detectors may be at the origin of the differences between hearing sensors in amniotic lineages.

Abstract

Nonlinear physics plays an essential role in hearing. We demonstrate on a mesoscopic description level that during the evolutionary perfection of the hearing sensor, nonlinear physics led to the unique design of the cochlea observed in mammals, and that this design requests as a consequence the perception of pitch. Our insight challenges the view that mostly genetics is responsible for the uniformity of the construction of the mammalian hearing sensor. Our analysis also suggests that scaleable and non-scaleable arrangements of nonlinear sound detectors may be at the origin of the differences between hearing sensors in amniotic lineages.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Neuroinformatics
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2015
Deposited On:11 Feb 2016 13:19
Last Modified:13 Aug 2017 08:52
Publisher:Nature Publishing Group
Series Name:Scientific Reports
Number of Pages:1
ISSN:2045-2322
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1038/srep12492
Official URL:http://www.nature.com/articles/srep12492
PubMed ID:26216397

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Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)