Sentences with phrase «primate color vision»

«You could say that the original primate color vision system, and the one that New World monkeys still use today, is the «poor man's» or to be accurate, «poor woman's» version of color vision,» Nathans says.

Not exact matches

«Humans and many other primates have an unusual type of color vision, and no one is sure why,» first author Chihiro Hiramatsu of Japan's Kyushu University notes.

Given that cameras are designed to optimally capture color, many have concluded that their ability to detect an array of colors should be superior to that of humans and other primates — and wondered why our vision is the way it is.

«But, perhaps more importantly, these results support a rarely tested idea that social signaling itself, such as the need to detect blushing and facial color changes, might have had a role in the evolution or maintenance of the unusual type of color vision shown in primates, especially those with conspicuous patches of bare skin, including humans, macaques, and many others,» concludes co-author Amanda Melin of the University of Calgary.

Analyses of primate visual pigments show that our color vision evolved in an unusual way and that the brain is more adaptable than generally thought

Research interests: Implications of variation in color vision among female New World primates, primate behavior, evolution of sensory systems, neurogenomics.

In contrast, among Old World (African) primates such as humans, the two different X chromosome genes duplicated so that each X chromosome now carries the genes for both receptor types, giving both males and females trichromatic color vision.