From SCPR:
Cognitive scientists at UC Irvine. … Alyssa Brewer and Brian Barton tested people's vision and brain activity in very dim light, when only rods are active.  But surprise!  Areas of the brain thought just to process color from cones lit up!  So it seems the rod and cone systems share some unexpected processing pathways. Why does it matter?  Brewer says, to provide effective treatments for people with impaired vision, we really need to understand how the visual system works.
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