From the Mother Nature Network:
Researcher Jameson, who is now at the Institute for Mathematical Behavioral Sciences at the University of California in Irvine, has been working with Antico and declared her a tetrachromat in 2012. And she's looking for more tetrachromats to test. Jameson says, “If we understand genetic potential for tetrachromacy and how their perception differs, we can understand quite a lot about visual processing of color that we currently don’t understand."

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