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Related Experiment Video

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How to Build a Dichoptic Presentation System That Includes an Eye Tracker
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Eye tracking under dichoptic viewing conditions: a practical solution.

Jan W Brascamp1, Marnix Naber2

  • 1Department of Psychology, Michigan State University, East Lansing, MI, USA. j.w.brascamp@gmail.com.

Behavior Research Methods
|September 16, 2016
PubMed
Summary
This summary is machine-generated.

This study presents an affordable method for high-quality eye tracking during dichoptic stimulation using infrared-transparent mirrors. This technique enhances visual research by improving compatibility with standard equipment.

Keywords:
Dichoptic viewingEye trackingGazeInfraredMirrorPupilStereoscope

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Dichoptic stimulation is crucial for research requiring independent visual input to each eye.
  • Traditional hardware for dichoptic viewing often impedes high-quality video-based eye tracking.

Purpose of the Study:

  • To detail a method for integrating mirror-based dichoptic stimulation with video-based eye tracking.
  • To provide a cost-effective and straightforward solution for researchers.

Main Methods:

  • Utilizing mirrors selectively transparent to infrared wavelengths used by eye trackers.
  • Combining standard display screens and eye trackers with specialized mirror setups.

Main Results:

  • Achieved high-quality eye tracking data compatible with dichoptic stimulation.
  • Demonstrated the method's affordability (approx. US$1,000) and ease of implementation.
  • Validated the approach's compatibility with standard equipment without compromising stimulus or data quality.

Conclusions:

  • The proposed method offers a significant improvement over existing techniques for dichoptic eye tracking.
  • Facilitates advanced visual research by overcoming hardware limitations in eye tracking.
  • Provides a practical guide for replicating the setup, making advanced research more accessible.