Prefrontal cortex.

Behind forehead. Last evolutionary brain feature. Conscious interaction with the world–thoughts not generated by the external world. Understanding, deciding, recalling, memorizing, inhibiting. Energy inefficient. Doesn’t work well when low on energy, like when hungry or tired. Very constrained.rR1

  1. David Rock, Your Brain at Work: Strategies for Overcoming Distraction, Regaining Focus, and Working Smarter All Day Long, 1st ed (New York: Harper Business, 2009). (See notes.)