‘Brainbow’ illuminates cellular connections

Scientists light up cells to track connections in mouse’s optic nerve

micrograph of mouse's optic nerve

NERVE PROTECTORS  The glowing cells in this micrograph of a mouse’s optic nerve help shield electrical signals passing between eyes and brain. The Brainbow technique allows scientists to visualize how the cells work together.

Courtesy of A. Chédotal/Institut de la Vision

A mouse’s optic nerve glows in a rainbow of colors in the micrograph above.