Document Detail

Representation of statistical properties.
MedLine Citation:
PMID:  12535996     Owner:  NLM     Status:  MEDLINE    
Everyday scenes often contain sets of similar objects. Perceptual representations may summarize these with statistical descriptors. After determining the psychological mean of two sizes, we measured thresholds for judging the mean with arrays of 12 circles of heterogeneous sizes. They were close to those for the size of elements in homogeneous arrays and single elements, and were little affected by either exposure duration (50-1000 ms) or memory delays (up to 2s). They were only slightly more accurate within the same distribution than across different distributions (normal, uniform, two-peaks, and homogeneous), confirming that subjects were indeed averaging sizes.
Sang Chul Chong; Anne Treisman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Vision research     Volume:  43     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-01-21     Completed Date:  2003-06-06     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  393-404     Citation Subset:  IM    
Department of Psychology, Princeton University, Green Hall, Princeton, NJ, 08544, USA.
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MeSH Terms
Discrimination (Psychology)*
Models, Psychological*
Photic Stimulation / methods
Sensory Thresholds
Size Perception*
Statistics as Topic

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

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