Nov 17, 2009

Cue conflict between disparity change and looming in the perception of motion in depth

Vision Research
Esther G GonzálezMargarita Vinnikov

Abstract

We hypothesized that it is the conflict between various cues to distance that have produced results purportedly showing that vergence eye movements induced by disparity change are not an effective cue for depth. Single and compound stimuli were used to examine the perceived motion in depth (MID) produced by simulated motion oscillations specified by disparity, relative disparity, and/or looming. Estimations of the extent of MID and binocularly recorded eye movements showed that the vergence induced by disparity change is indeed an effective cue for motion in depth in conditions where looming information does not conflict with it. When looming and disparity are in conflict, looming is the stronger cue.

Mentioned in this Paper

Depth Perception
Cues
Vision Disparity
Entire Pupil
Eye Movements
Retinaldehyde
Motion Perception
Retina
Eye Movement Measurements
Tilt (brand of fungicide)

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