Bioengineer: UC builds better color vision test for animals
UC biologist John Layne is studying fiddler crabs and other animals in his lab
Bioengineer.org highlighted research by University of Cincinnati biologists who are studying the color vision of animals.
John Layne, an associate professor in UC's College of Arts & Sciences, modified simple electronics to develop a color vision test for fiddler crabs. A crab is placed in a little glass arena under a tilted screen projecting a video illuminated in color by blue or green light-emitting diodes.
A video shows a looming stimulus, a fast-approaching round ball. The crabs consistently skitter out of the way when they detect the optical illusion, which helps Layne and his students test the spectrum of visible light they can see.
"We're using it to test color discrimination. For an animal to have color vision, what that really means is the ability to discriminate different wavelengths of light," Layne said.
Featured image at top: UC biologists are studying the color vision of fiddler crabs. Photo/Andrew Higley/UC Creative + Brand
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