Document Detail


The tilt after-effect: changes with stimulus size and eccentricity.
MedLine Citation:
PMID:  3940053     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Previous evidence that the tilt after-effect (TAE) is larger when the stimuli are viewed peripherally rather than centrally was confirmed. An increase in viewing distance also increased TAE size. However, the increase in the TAE in peripheral vision was abolished if stimuli were increased in size to compensate for the change in the cortical magnification factor. Both the decrease in field diameter and increase in spatial frequency with viewing distance were found to influence the size of the TAE. When the data were expressed in cortical terms, the TAE was found to increase with spatial frequency, and decrease with field diameter, regardless of retinal position. The functional significance of these effects is discussed.
Authors:
J P Harris; J E Calvert
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Spatial vision     Volume:  1     ISSN:  0169-1015     ISO Abbreviation:  Spat Vis     Publication Date:  1985  
Date Detail:
Created Date:  1991-02-01     Completed Date:  1991-02-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8602662     Medline TA:  Spat Vis     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  113-29     Citation Subset:  IM    
Affiliation:
Anatomy Department, Medical School, University Walk, Bristol, UK.
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Ocular / physiology
Afterimage / physiology*
Humans
Retina / physiology
Size Perception / physiology*
Visual Cortex / physiology
Visual Fields

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


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