This collection by a distinguished group of philosophers, psychologists, and physiologists reflects an interdisciplinary approach to the central question of cognitive science: how do we model the mind? Among the topics explored are the relationships (theoretical, reductive, and explanatory) between philosophy, psychology, computer science, and physiology; what should be asked of models in science generally, and in cognitive science in particular; whether theoretical models must make essential reference to objects in the environment; whether there are human competences that are resistant, in...