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Eyes send an unexpected signal to the brain

This shows retinal neuronsA new study puts into question conventional belief that the eyes communicate with the brain exclusively via one signaling pathway. Researchers have identified a subset of retinal neurons that sends inhibitory signals to the brain. This subset of neurons is also involved in the synchronization of circadian rhythms to light/dark cycles and pupil constriction to bright light intensity.

from Neuroscience News https://ift.tt/3aVEGnD
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