NYU Scientists Map Medulla Circuitry in Fruit Flies, Setting Stage for Understanding How Color Vision Is Processed

New York University biologists have mapped the medulla circuitry in fruit flies, setting the stage for subsequent research on how color vision is processed. The work, which appeared in the journal Current Biology, will allow future scholarship to explore how color vision is processed in the optic lobe of the fruit fly Drosophila, providing a paradigm for more complex systems in vertebrates.

The research was conducted by postdoctoral fellow Javier Morante and Professor Claude Desplan of NYU’s Center for Developmental Genetics. The study was supported by a grant from the National Institutes of Health.

Eyes have been optimized to process maximum amounts of information by perceiving different parameters of the visual world and responding to them. The eyes can perform several major functions, from simple detection of light for clock synchronization to formation of images. The image of the environment formed by the optics of the eye on the retina is then transferred to brain processing centers. Both retina and brain processing centers have specialized morphology and function to achieve their various tasks.

In this study, the researchers studied processing of color vision, which requires comparison between photoreceptors that are sensit 500

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