Document Detail

Manual control of the visual stimulus reduces the flash-lag effect.
MedLine Citation:
PMID:  16494918     Owner:  NLM     Status:  MEDLINE    
We investigated how observers' control of the stimulus change affects temporal aspects of visual perception. We compared the flash-lag effects for motion (Experiment 1) and for luminance (Experiment 2) under several conditions that differed in the degree of the observers' control of change in a stimulus. The flash-lag effect was salient if the observers passively viewed the automatic change in the stimulus. However, if the observers controlled the stimulus change by a computer-mouse, the flash-lag effect was significantly reduced. In Experiment 3, we examined how observers' control of the stimulus movement by a mouse affects the reaction time for the shape change in the moving stimulus and flash. Results showed that the control reduced the reaction time for both moving stimulus and flash. These results suggest that observers' manual control of the stimulus reduces the flash-lag effect in terms of facilitation in visual processing.
Makoto Ichikawa; Yuko Masakura
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-02-21
Journal Detail:
Title:  Vision research     Volume:  46     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-03-21     Completed Date:  2006-08-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  2192-203     Citation Subset:  IM    
Department of Perceptual Sciences and Design Engineering, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, Japan.
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MeSH Terms
Attention / physiology
Hand / physiology
Motion Perception / physiology
Photic Stimulation / methods*
Psychomotor Performance / physiology
Reaction Time / physiology
User-Computer Interface
Visual Perception / physiology*

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