Book Chapter by Armin Fuchs* and Viktor K. Jirsa* 1 Introduction “Does old Scotty still make a living from finger wagging?” A question asked by an Irish man who had known Scott Kelso since both were children. The answer: “Yes, and doing quite well, actually” triggered the much tougher question: “What can be studied there for half a life span?” Such was not possible to respond in detail as we were at the airport in Miami and had...