Effect of Visual Object Visibility on Velocity Perception during Smooth Pursuit Eye Movements

DOI

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Other Title
  • 円滑性追跡眼球運動における速度知覚に動的視対象の視認性が及ぼす影響

Abstract

The aim of this study was to investigate the effect of sensitivity in the peripheral visual field with reference to the task difficulty on velocity perception during smooth pursuit eye movement (SPEM) . In the experiment, the velocity of the end points of the comparison stimuli moving from left to right with sine curves tracing on the screen of the PC, were compared to standard stimuli subjectively. The task difficulty was adjusted by the visibility of SPEM with color schemes for the grating pattern and a thickness of sine curve line. We set 2 conditions of grating patterns (colored black/white or gray/white) and 3 condition of thickness of the sine curve line (0.06deg, 0.18deg, 0.36deg) for the comparison stimulus. Sine curves color was black. As a result, velocity perception became significantly faster when color schemes for the grating pattern was gray/white and the thickness of the sine wave curve line was thicker. These results indicate that the velocity perception depended on the visibility of the target movement during SPEM.

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Details 詳細情報について

  • CRID
    1390001205409996416
  • NII Article ID
    130005105195
  • DOI
    10.11247/jssdj.62.2_55
  • ISSN
    21865221
    09108173
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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