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Publication Detail
Perceived timing of new objects and feature changes.
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Kanai R, Carlson TA, Verstraten FAJ, Walsh V
  • Publication date:
    09/07/2009
  • Pagination:
    5, ?
  • Journal:
    J Vis
  • Volume:
    9
  • Issue:
    7
  • Status:
    Published online
  • Country:
    United States
  • PII:
    9/7/5
  • Language:
    eng
  • Keywords:
    Humans, Judgment, Motion Perception, Photic Stimulation, Psychophysics, Reaction Time, Space Perception, Time Perception, Visual Perception
Abstract
Recent psychophysical studies have shown that perceived timings of events can be dissociated from their physical temporal relationship. In the flash-lag effect (FLE), a flash presented at the same spatiotemporal position as a continuously moving stimulus is perceived to lag behind the moving stimulus. In the present study, we report a peculiar condition in which FLE does not occur even when the position of a moving object is estimated at the moment of a transient event. In a series of experiments, we compared perceived timings and processing delays for appearance of a new object against feature changes of an existing object. We found that perceived timing of the appearance of a new object is delayed compared to the perception of feature changes updating the properties of an object. Our results suggest the construction of a new object representation requires additional time to establish a stable neuronal representation.
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