Mind's eye: How fish detect color and brightness with the brain's pineal gland

PHYSorg
Jan 17, 2025, 3:29 am1.2k ptsInterestingTop
We see color because photoreceptor cones in our eyes detect light waves corresponding to red, green, and blue, while dimness or brightness is detected by photoreceptor rods. Many non-mammalian vertebrates like fish, however, are known to detect color and brightness with the pineal gland, which is part of the…

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