Areas of the cortex located just behind the temples containing the neurons responsible for the sense of hearing and meaningful speech. Frontal Lobes Areas of the cortex located in the front and top of the brain, responsible for higher mental processes and decision making as well as the production of fluent speech.
As a practical matter, some might argue, if a filibuster is threatened and it takes 60 votes to end debate in the Senate, then it does take 60 votes to pass a bill. Nothing in the Constitution says that a three-fifths majority is necessary to pass ordinary legislation.
To override a presidential veto, a supermajority vote of two-thirds of the voting members of each house, the House of Representatives and the Senate, is required. There are 435 voting representatives in the House. If all these representatives voted, it would take 2/3rds of 435 = 290 votes to override a veto.