This article elaborates and defends a thesis prominent in my recent book, "The Formation of Reason"; namely, that "a human being gets to be free in the distinctive way that human beings are free through the acquisition of second nature". My treatment of this thesis in The Formation of Reason is much influenced by the philosophy of John McDowell.…

This article reviews a particular computational modeling approach to the study of psychological development--that of constructive neural networks. This approach is applied to a variety of developmental domains and issues, including Piagetian tasks, shift learning, language acquisition, number comparison, habituation of visual attention, concept…