The next time you see a sunrise or a sunset, you will see the yellow blue contrast I'm referring to. And what it's associated with is a low solar angle sunlight. So if the sun is directly overhead, that yellow blue contrast isn't there. Ideally, you would also get some sunlight in your eyes in the afternoon because it turns out you don't have one circadian clock, one master clock in the brain.
Andrew Huberman, Ph.D., is a neuroscientist and tenured Professor in the Department of Neurobiology at the Stanford University School of Medicine. He has made numerous significant contributions to the fields of brain development, brain function and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills and cognitive functioning.
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