"Light doesn't just allow us to see, it tells the brain whether it's night or day which in-turn ensures that our physiology, metabolism and behavior are synchronized with environmental time." "For diurnal species like ours, light stimulates day-like brain activity, improving alertness and mood, and enhancing performance on many cognitive tasks," explained senior co-author Julie Carrier. The results indicate that their brains can still "see," or detect, light via a novel photoreceptor in the ganglion cell layer of the retina, different from the rods and cones we use to see.
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Very interesting post. I wonder thought why often creativity (i.e., significant part of the brain?) seems to happening in moments when light is not as present in the environment... a related study on that would be quite interesting, no?
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