Document Detail

Extant models of the psychophysical function: a comparison.
MedLine Citation:
PMID:  7432969     Owner:  NLM     Status:  MEDLINE    
Previous research has tested the efficacy of the deterministic-sensory model versus probabilistic-sensory-learning model for psychophysical relationships when cognitive factors were manipulated. The present study attempted to expand those findings by holding cognitive factors constant and varying a perceptual factor within a stimulus class. Subjects made magnitude estimations of skin-area contact for each of two sets of weights which varied identically in surface area but different in that one set also varied in accelerative force whereas the other did not. A power function was obtained only for that set which varied with respect to accelerative force, supporting the deterministic-sensory model. These results are consistent with those of electro-physiological studies which have related transducer activity to the dynamic component of a mechanical stimulus. It was suggested that better conceptualization of "cognitive" and "perceptual" factors is needed before further research in this area is undertaken.
Q R Jones; D M Centa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perceptual and motor skills     Volume:  51     ISSN:  0031-5125     ISO Abbreviation:  Percept Mot Skills     Publication Date:  1980 Aug 
Date Detail:
Created Date:  1981-01-16     Completed Date:  1981-01-16     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401131     Medline TA:  Percept Mot Skills     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  307-10     Citation Subset:  IM    
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MeSH Terms
Discrimination Learning*
Middle Aged

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

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