stimulation of the medial frontal cortex gives one the feeling of the urge to move - Michael S. Gazzaniga

Research has shown that 150–200 people are the number of people that can be controlled without an organizational hierarchy.23 It is the number of people one can keep track of, maintain a stable social relationship with, and would be willing to help with a favor.

What exactly is the role of the cerebral cortex in producing consciousness? The cortex expands the number of ways in which we can experience the world, which allows for a vast variety of possible conscious experiences and responses.

Hume concluded that many of the questions that philosophers asked were pseudo questions — that is, questions that cannot be answered with the likes of logic, mathematics, and pure reason because their answers will always be founded at some level on an unprovable belief, on an axiom. He thought that philosophers should stop wasting everyone’s time writing copiously about pseudo questions, dump their a priori assumptions, and rein in their speculations, as the scientists had. They had to reject everything that was not founded on fact or observation, and that included eliminating any appeal to the supernatural.