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How to Create and Use Binocular Rivalry
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An Alternative Theory of Binocularity.

Cherlyn J Ng1,2,3, Dale Purves1,4

  • 1Neuroscience and Behavioral Disorders Program, Duke-NUS Graduate Medical School Singapore, Singapore, Singapore.

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|October 26, 2019
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Summary

This study proposes a new theory of binocular vision, suggesting anatomical correspondence, not retinal image matching, explains how animals fuse images and perceive depth. This approach also offers a reason for ocular dominance in vision.

Keywords:
binocularcorrespondence problemfusionneural networksocular dominancestereopsisvision

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Area of Science:

  • Neuroscience
  • Vision Science
  • Comparative Biology

Background:

  • Binocular vision, the ability to see with two eyes, is a near-universal trait among vertebrates.
  • A fundamental challenge in vision science is understanding how animals with overlapping visual fields fuse non-identical images from each eye to achieve depth perception.

Purpose of the Study:

  • To propose an alternative theory of binocular vision that addresses the image fusion and depth perception problem.
  • To offer a new explanation for the phenomenon of ocular dominance.

Main Methods:

  • The study proposes a theoretical framework based on anatomical correspondence between the eyes.
  • This approach circumvents the traditional "correspondence problem" in vision science.

Main Results:

  • The proposed theory suggests that anatomical correspondence, rather than matching retinal images, is key to binocular fusion.
  • This framework provides a novel rationale for the existence of ocular dominance.

Conclusions:

  • The theory of anatomical correspondence offers a new perspective on the mechanisms underlying binocular vision.
  • This model potentially resolves long-standing questions about image fusion, depth perception, and ocular dominance in vertebrates.