Document Detail

Sensitivity of the rat gustatory system to the rate of stimulus onset.
MedLine Citation:
PMID:  1208674     Owner:  NLM     Status:  MEDLINE    
Responses of the rat chorda tympani nerve were obtained to stimulation of the tongue with both linearly rising anodal current of varying intensity and rate of rise and NaCl presented at different concentrations and rates of flow. The amplitude of the transient portion of the integrated chorda tympani response was a power function of the rate of current rise. The duration of the transient response paralleled the rising phase of the current and the neural response fell to a tonic level proportional to current intensity when the rising current reached its plateau. Anodal currents of different final intensities but presented at the same rate of rise produced transient responses of the same amplitude. Responses of single chorda tympani fibers exhibited the same phasic and tonic components that were characteristic of the whole nerve. When NaCl was presented to the tongue at different rates of flow, the chorda tympani response reflected a sensitivity to stimulus onset rate paralleling that shown to linearly rising current.
D V Smith; S L Bealer
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Physiology & behavior     Volume:  15     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1975 Sep 
Date Detail:
Created Date:  1976-03-15     Completed Date:  1976-03-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  303-14     Citation Subset:  IM    
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MeSH Terms
Chemoreceptor Cells / physiology
Chorda Tympani Nerve / drug effects,  physiology*
Dose-Response Relationship, Drug
Electric Stimulation
Neurons / physiology
Sodium Chloride / pharmacology
Stimulation, Chemical
Taste / physiology*
Time Factors
Reg. No./Substance:
7647-14-5/Sodium Chloride

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

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