Document Detail

A second order model of the optic generator potential and its relation to Stevens' power function.
MedLine Citation:
PMID:  564037     Owner:  NLM     Status:  MEDLINE    
The component PIII of the electroretinogram representing the optic generator potential was recorded after stimulation with short stimuli with different light intensity. It is shown that the impulse response function of a linear second order model with intensity-dependent coefficients can be well fit to the recordings. Two of its parameters, after logarithmic transformations, are linearly dependent on the luminance while the third parameter varies only within a small interval. It is therefore possible to describe the relation between PIII and luminance in a linearized second order model. Furthermore, both the type of the function relating the gain of the model to the luminance and its exponent are nearly identical with the psychophysic function relating luminance to subjective brightness. Further physiological implications are also considered.
R Trappl; A von Lützow; L Wündsch; H Bronschein
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pflügers Archiv : European journal of physiology     Volume:  372     ISSN:  0031-6768     ISO Abbreviation:  Pflugers Arch.     Publication Date:  1977 Dec 
Date Detail:
Created Date:  1978-03-10     Completed Date:  1978-03-10     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0154720     Medline TA:  Pflugers Arch     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  165-8     Citation Subset:  IM    
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MeSH Terms
Models, Biological*
Photic Stimulation*

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

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