This discipline has become more reflective in recent years. It has also become blatantly philosophical, which is itself cause for reflection. The philosophy of psychology has not been exactly a burgeoning field, and yet psychologists and philosophers of all persuasions are writing philosophical psychology. Perhaps all this activity merely reflects the uneasy bifurcation of psychology into biological and cognitive domains. After all, there were similar flurries in the 1920s and 1950s when the discipline assumed new directions. But, before, there were too many things to do; scientific knowing...