Position-based motion perception for color and texture stimuli: effects of contrast and speed

  title={Position-based motion perception for color and texture stimuli: effects of contrast and speed},
  author={Adriane E. Seiffert and Patrick Cavanagh},
  journal={Vision Research},
Motion can be perceived either through low-level, motion-energy detection or through tracking the change in position of features. Previously we have shown that, while luminance-based motion likely is detected with velocity-sensitive motion-energy units, patterns defined by texture or binocular disparity ('second-order' stimuli) were tracked by a position-sensitive mechanism (Seiffert & Cavanagh (1998) Vision Research, 38, 3569-3582). Here, we use the same technique, measuring motion amplitude… CONTINUE READING
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