Andrew Huberman· PhD
that straining that you feel reflects in part the release of neuromodulators like epinephrine adrenaline in the brain and body which serve to cue the neural circuits that they need to change at a later time okay so the strength that you feel in trying to learn the strain that you feel in forcing yourself to learn how to focus that is good that's a c-tier nervous system that it's going to need to change that neuroplasticity needs to take place