Document Detail


We infer light in space.
MedLine Citation:
PMID:  23435628     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In studies of lightness and color constancy, the terms lightness and brightness refer to the qualia corresponding to perceived surface reflectance and perceived luminance, respectively. However, what has rarely been considered is the fact that the volume of space containing surfaces appears neither empty, void, nor black, but filled with light. Helmholtz (1866/1962) came closest to describing this phenomenon when discussing inferred illumination, but previous theoretical treatments have fallen short by restricting their considerations to the surfaces of objects. The present work is among the first to explore how we infer the light present in empty space. It concludes with several research examples supporting the theory that humans can infer the differential levels and chromaticities of illumination in three-dimensional space.
Authors:
James A Schirillo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-23
Journal Detail:
Title:  Psychonomic bulletin & review     Volume:  -     ISSN:  1531-5320     ISO Abbreviation:  Psychon Bull Rev     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9502924     Medline TA:  Psychon Bull Rev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Psychology, Wake Forest University, Winston-Salem, NC, 27109, USA, schirija@wfu.edu.
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