Document Detail


Inhomogeneous surrounds, conflicting frameworks, and the double-anchoring theory of lightness.
MedLine Citation:
PMID:  16724764     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The empirical question of whether or not the lightness of a region is accounted for purely by the average luminance of its surround has a complex answer that depends on whether such a region is an increment, a decrement, or intermediate relative to the luminances of the contiguous surfaces. It is shown here that a new model of lightness, based on anchoring principles, predicts and clarifies such intricacies. In this model, the luminance of the target region determines its lightness in two ways: indirectly, by causing it to group with parts of its surround and thus defining the nested frameworks to which it belongs; and directly, by anchoring it to the highest luminance and to the average surround luminance in each of these frameworks. Inter- and intraindividual differences in lightness assessment are shown to emerge under grouping conditions that create unstable, conflicting frameworks.
Authors:
Paola Bressan
Related Documents :
20837044 - Shape contrast: a global mechanism?
2487644 - Evoked responses to sinusoidal gratings in the pigeon optic tectum.
15669614 - Senescence of spatial chromatic contrast sensitivity. i. detection under conditions con...
8266654 - Fading time of retinally-stabilized images as a function of background luminance and ta...
7991354 - Classical geometric illusion effects with nonclassical stimuli: angular induction from ...
1304084 - The effects of prolonged temporal modulation on the differential response of color mech...
Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Psychonomic bulletin & review     Volume:  13     ISSN:  1069-9384     ISO Abbreviation:  Psychon Bull Rev     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-05-26     Completed Date:  2006-10-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9502924     Medline TA:  Psychon Bull Rev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  22-32     Citation Subset:  IM    
Affiliation:
Dipartimento di Psicologia Generale, Università di Padova, Via Venezia 8, 35131 Padova, Italy. paola.bressan@unipd.it
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Attention*
Conflict (Psychology)*
Contrast Sensitivity*
Field Dependence-Independence*
Humans
Individuality
Luminescence
Psychological Theory*
Psychophysics

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


Previous Document:  Models of recognition: a review of arguments in favor of a dual-process account.
Next Document:  The influence of spelling on phonological encoding in word reading, object naming, and word generati...