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Is the Benussi effect a kinetic depth effect?

W L Brigner1, J R Deni

  • 1Appalachian State University, Boone, NC 28608.

Perceptual and Motor Skills
|December 1, 1992
PubMed
Summary

Rapidly shown eccentric circles and their mirror images created apparent depth. This depth increased with eccentricity, challenging the kinetic depth effect explanation for the Benussi effect.

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Area of Science:

  • Psychology
  • Visual Perception

Background:

  • The Benussi effect describes how certain visual stimuli can create an illusion of depth.
  • Previous research linked the Benussi effect to the kinetic depth effect.

Purpose of the Study:

  • To investigate the relationship between circle eccentricity and apparent depth in the Benussi effect.
  • To test whether the Benussi effect can be explained by the kinetic depth effect.

Main Methods:

  • Rapid, successive presentations of an eccentric circle pattern and its mirror image.
  • Varying the eccentricity of the circle patterns.

Main Results:

  • Apparent depth was elicited by the stimuli.
  • Apparent depth increased with greater circle eccentricity.
  • The findings contradicted the kinetic depth effect explanation.

Conclusions:

  • The Benussi effect is not solely an instance of the kinetic depth effect.
  • Eccentricity plays a significant role in generating apparent depth in this paradigm.

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