Document Detail


Stochastic resonance in cochlear signal transduction.
MedLine Citation:
PMID:  10320069     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The use of a stochastic resonance model contributes crucially to our comprehension of the intensity resolution characteristics of the mammalian cochlea. In guinea pigs, as demonstrated by different statistical methods, the temporal distribution of the interspike intervals of the spontaneous activity reflects an intrinsic cochlear white noise process, demanded as basic requirement for manifest stochastic resonance phenomena. Brownian motion of cochlear fluids is discussed as the underlying white noise motor. Following our model, the amount of white noise, adjusted at the level of the stereocilia of the inner hair cells, determines the threshold, dynamic range and intensity discrimination limen of an individual afferent neuron of the mammalian cochlea.
Authors:
K Ehrenberger; D Felix; K Svozil
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta oto-laryngologica     Volume:  119     ISSN:  0001-6489     ISO Abbreviation:  Acta Otolaryngol.     Publication Date:  1999 Mar 
Date Detail:
Created Date:  1999-06-30     Completed Date:  1999-06-30     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0370354     Medline TA:  Acta Otolaryngol     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  166-70     Citation Subset:  IM    
Affiliation:
ENT Department, University of Vienna, Austria. HNO@Univie.ac.at
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MeSH Terms
Descriptor/Qualifier:
Animals
Cochlea / innervation,  physiology*
Fractals
Guinea Pigs
Hair Cells, Auditory, Inner / physiology
Neurons, Afferent / physiology
Signal Processing, Computer-Assisted
Signal Transduction / physiology*
Stochastic Processes

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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