Psychophysical evidence for a functional hierarchy of motion processing mechanisms.

@article{Bex1998PsychophysicalEF,
  title={Psychophysical evidence for a functional hierarchy of motion processing mechanisms.},
  author={Peter J. Bex and Andrew B Metha and Walter Makous},
  journal={Journal of the Optical Society of America. A, Optics, image science, and vision},
  year={1998},
  volume={15 4},
  pages={769-76}
}
Current models of motion perception typically describe mechanisms that operate locally to extract direction and speed information. To deal with the movement of self or objects with respect to the environment, higher-level receptive fields are presumably assembled from the outputs of such local analyzers. We find that the apparent speed of gratings viewed through four spatial apertures depends on the interaction of motion directions among the apertures, even when the motion within each aperture… CONTINUE READING

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