In chapter 3, “Redesigning the Brain,” we learned two key laws of plasticity that also underlie this treatment. The first is that Neurons that fire together wire together. By doing something pleasurable in place of the compulsion, patients form a new circuit that is gradually reinforced instead of the compulsion. The second law is that Neurons that fire apart wire apart. By not acting on their compulsions, patients weaken the link between the compulsion
