Document Detail


The spatial and temporal conditions for perceiving velocity as constant.
MedLine Citation:
PMID:  15222396     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Perceived velocities during a brief period of exposure (< 1.2 s) were measured to examine how much time is necessary to perceive velocity as constant. Moving sinusoidal gratings were used as stimuli at relatively low velocities. At the beginning of each stimulus presentation, a moving pattern was perceived as stationary until a critical time had passed. After that, perceived velocity was positively correlated with moving distance, irrespective of physical velocity below a critical moving distance. Beyond the critical moving distance, velocity was perceived as constant. A simple model is presented to explain these results.
Authors:
Tadayuki Tayama
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perception     Volume:  33     ISSN:  0301-0066     ISO Abbreviation:  Perception     Publication Date:  2004  
Date Detail:
Created Date:  2004-06-29     Completed Date:  2004-09-30     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0372307     Medline TA:  Perception     Country:  England    
Other Details:
Languages:  eng     Pagination:  495-506     Citation Subset:  IM    
Affiliation:
Department of Psychology, Hokkaido University, N10 W7, Kita-Ku, Sapporo, 060-0810 Japan. tayama@psych.let.hokudai.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Acceleration
Adult
Humans
Models, Psychological*
Motion Perception*
Photic Stimulation / methods
Psychophysics
Space Perception*

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