期刊
I-PERCEPTION
卷 5, 期 6, 页码 492-496出版社
PION LTD
DOI: 10.1068/i0662sas
关键词
mantis shrimp; primate color vision; color decoding; tuning curves; winner-take-all; photoreceptors; IT cortex
资金
- NEI NIH HHS [R01 EY007556, R01 EY023322, R01 EY013312] Funding Source: Medline
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [0918064] Funding Source: National Science Foundation
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.
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