Document Detail

Representation of cochlear innervation patterns in single auditory nerve fiber responses.
MedLine Citation:
PMID:  6770157     Owner:  NLM     Status:  MEDLINE    
Unit responses of auditory afferent fibers in the monkey could be classified into two distinct populations according to two criteria: (i) the shape of the response area (in particular, the sharpness of tuning, "Q(10)," and high frequency cutoff), and (ii) the impulse rate-sound intensity functions at different frequencies. These two populations have different log-normal distributions of the Q (10)s The smaller population has a relatively rounded (smaller Q(10)) response area with a slow high frequency cutoff and rate-intensity functions with ramps of different slopes. The larger population has a sharp (larger Q (10)) response area and rate functions with parallel ramps. These differences in discharge properties give reasonable grounds to suppose that the smaller and the larger populations correspond to the outer spiral and inner radial fibers in the cochlea, respectively.
M Nomoto
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Japanese journal of physiology     Volume:  30     ISSN:  0021-521X     ISO Abbreviation:  Jpn. J. Physiol.     Publication Date:  1980  
Date Detail:
Created Date:  1980-08-15     Completed Date:  1980-08-15     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  2985184R     Medline TA:  Jpn J Physiol     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  31-40     Citation Subset:  IM    
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MeSH Terms
Cochlear Nerve / blood supply,  physiology*
Hair Cells, Auditory, Inner / physiology
Macaca mulatta
Nerve Fibers / physiology*
Neurons, Afferent / physiology
Regional Blood Flow
Spiral Ganglion / physiology

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