Document Detail

The contrast sensitivity of human infants to gratings differing in duty cycle.
MedLine Citation:
PMID:  7123858     Owner:  NLM     Status:  MEDLINE    
Human infants' contrast thresholds for rectangular wave gratings differing in duty cycle were measured. The forced-choice preferential looking technique was used to estimate thresholds in fifteen 8- to 10-week old infants. The results indicated that contrast threshold varied systematically with duty cycle. Our findings were consistent with the predictions of a linear, multiple channel model and one version of a linear, single channel model but were inconsistent with the predictions of a contour density and another version of a single channel model.
M S Banks; B R Stephens
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Vision research     Volume:  22     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  1982  
Date Detail:
Created Date:  1982-12-02     Completed Date:  1982-12-02     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  739-44     Citation Subset:  IM    
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MeSH Terms
Form Perception / physiology*
Models, Biological
Pattern Recognition, Visual / physiology*
Sensory Thresholds / physiology
Grant Support

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