Andrew Huberman· PhD
We have a particular neural circuit that originates with those melanopsin cells in our eye that bypass all the areas of the brain associated with circadian clocks, so everything related to sleep and wakefulness, that's specifically dedicated to the pathways involving the release of molecules like dopamine, the neuromodulator that's associated with motivation, with feeling good, with feeling like there's possibility in the world, and so on and so forth, and other molecules as well, including serotonin and