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Insect stereopsis demonstrated using a 3D insect cinema

Abstract : Stereopsis - 3D vision - has become widely used as a model of perception. However, all our knowledge of possible underlying mechanisms comes almost exclusively from vertebrates. While stereopsis has been demonstrated for one invertebrate, the praying mantis, a lack of techniques to probe invertebrate stereopsis has prevented any further progress for three decades. We therefore developed a stereoscopic display system for insects, using miniature 3D glasses to present separate images to each eye, and tested our ability to deliver stereoscopic illusions to praying mantises. We find that while filtering by circular polarization failed due to excessive crosstalk, "anaglyph" filtering by spectral content clearly succeeded in giving the mantis the illusion of 3D depth. We thus definitively demonstrate stereopsis in mantises and also demonstrate that the anaglyph technique can be effectively used to deliver virtual 3D stimuli to insects. This method opens up broad avenues of research into the parallel evolution of stereoscopic computations and possible new algorithms for depth perception
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01259224
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, January 20, 2016 - 10:25:49 AM
Last modification on : Monday, March 26, 2018 - 2:46:01 PM

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Vivek Nityananda, Ghaith Tarawneh, Ronny Rosner, Judith Nicolas, Stuart Crichton, et al.. Insect stereopsis demonstrated using a 3D insect cinema. Scientific Reports, Nature Publishing Group, 2016, 6, pp.18718. ⟨10.1038/srep18718⟩. ⟨hal-01259224⟩

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