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Zaidi Q, Marshall J, Thoen H, et al. Evolution of neural computations: Mantis shrimp and human color decoding. Iperception. 2014;5(6):492-6doi: 10.1068/i0662sas.
Zaidi, Q., Marshall, J., Thoen, H., & Conway, B. R. (2014). Evolution of neural computations: Mantis shrimp and human color decoding. i-Perception, 5(6), 492-6. https://doi.org/10.1068/i0662sas
Zaidi, Qasim, et al. "Evolution of neural computations: Mantis shrimp and human color decoding." i-Perception vol. 5,6 (2014): 492-6. doi: https://doi.org/10.1068/i0662sas
Zaidi Q, Marshall J, Thoen H, Conway BR. Evolution of neural computations: Mantis shrimp and human color decoding. Iperception. 2014 Sep 17;5(6):492-6. doi: 10.1068/i0662sas. eCollection 2014. PMID: 26034560; PMCID: PMC4441025.
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Iperception. 2014 Sep 17;5(6):492-6. doi: 10.1068/i0662sas. eCollection 2014.

Evolution of neural computations: Mantis shrimp and human color decoding.

i-Perception

Qasim Zaidi, Justin Marshall, Hanne Thoen, Bevil R Conway

Affiliations

  1. Graduate Center for Vision Research, State University of New York, New York; e-mail: [email protected].
  2. Queensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia; e-mail: [email protected].
  3. Queensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia; e-mail: [email protected].
  4. Neuroscience Program, Wellesley College, Wellesley, Massachusetts; e-mail: [email protected].

PMID: 26034560 PMCID: PMC4441025 DOI: 10.1068/i0662sas

Abstract

Mantis shrimp and primates both possess good color vision, but the neural implementation in the two species is very different, a reflection of the largely unrelated evolutionary lineages of these creatures. Mantis shrimp have scanning compound eyes with 12 classes of photoreceptors, and have evolved a system to decode color information at the front-end of the sensory stream. Primates have image-focusing eyes with three classes of cones, and decode color further along the visual-processing hierarchy. Despite these differences, we report a fascinating parallel between the computational strategies at the color-decoding stage in the brains of stomatopods and primates. Both species appear to use narrowly tuned cells that support interval decoding color identification.

Keywords: IT cortex; color decoding; mantis shrimp; photoreceptors; primate color vision; tuning curves; winner-take-all

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