The target article presents arguments for a motivational system dedicated exclusively to the detection of, and reaction to, particular threats to fitness, the so-called “Hazard-Precaution System,” which, according to the authors, drives ritualized behavior. We approach the issue of a motivational system from three perspectives – developmental, psychopathological, and ethnological. (Published Online February 8 2007).
In agreement with Blair, I favor the idea of dissociative patterns in cognitive performance, even more when it comes to development. However, such dissociations are present not only between fluid cognition and general intelligence, but also within fluid cognition itself. Heterogeneity of executive attention, even when indexed with a single paradigm, is further discussed in relation to anterior cingulate cortex. (Published Online April 5 2006).