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How to Create and Use Binocular Rivalry
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Third-Eye Rivalry.

Regan M Gallagher1, Naotsugu Tsuchiya2

  • 1School of Psychological Science, Turner Institute for Brain and Mental Health, Monash University, Melbourne, Australia.

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PubMed
Summary
This summary is machine-generated.

Experience "Third-Eye Rivalry," a novel optical phenomenon. By crossing your eyes while viewing your reflection, you can perceive a central "third eye" and rivaling peripheral faces.

Keywords:
binocular rivalryconscious perceptioncyclopean eyethird eye

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Area of Science:

  • Psychology
  • Neuroscience
  • Optical Illusions

Background:

  • Binocular vision and perceptual rivalry are well-documented phenomena.
  • The concept of a 'third eye' appears in various cultural and mystical traditions.

Purpose of the Study:

  • To introduce and describe the novel optical phenomenon of "Third-Eye Rivalry."
  • To explain the method for inducing this perceptual effect.
  • To explore the historical and cultural significance of the 'third eye' concept.

Main Methods:

  • Participants view their own reflection in a mirror.
  • Using the contralateral pupil as a fixation point, participants engage in free fusion to induce eye crossing.
  • The resulting visual percept is analyzed and described.

Main Results:

  • A vivid perceptual experience of a central "third eye" is consistently reported.
  • Participants observe two peripheral faces engaged in perceptual rivalry.
  • The ease of inducing Third-Eye Rivalry through self-observation is demonstrated.

Conclusions:

  • Third-Eye Rivalry is a readily achievable optical phenomenon.
  • This effect offers a unique method for studying binocular rivalry and visual perception.
  • The phenomenon provides a modern, empirical perspective on the historical concept of the 'third eye'.