Motion coherency rules are form-cue invariant
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Updated: Aug 11, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
Published on: May 10, 2012
1Salk Institute for Biological Studies, La Jolla, CA 92186.
Abstract:
Object features can be made manifest by differences in a variety of physical attributes or figural cues. In this study we provide evidence that motion signals arising from different figural cues can be combined to produce a percept of a coherently moving (heterogeneous-cue) pattern. Moreover, as is true for homogeneous-cue patterns, similarity along the dimensions of contrast (we introduce the idea of contrast equivalence) and spatial frequency determines whether coherent motion is perceived. These results are in accordance with recent physiological evidence demonstrating that directional selectivity of many neurons in cortical visual area MT is invariant over changes in the figural cue that defines the moving stimulus ("form-cue invariance").
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