Steven Horst

This book offers a sustained critique of the computational theory of mind that deserves the attention of those interested in the presuppositions and implications of computational psychology. Horst begins by laying out the theory, reconstructing its perceived role in vindicating intentional psychology, and recounting earlier critiques on which he builds. Part 2, the heart of the book, analyzes a notion central to CTM—that of a symbol—arguing that symbols are conventional. In Part 3 Horst applies the results of this analysis to CTM to diagnose a serious confusion in its account of semantic properties and the corresponding notion of mental representation. Part 4 offers an alternative perspective on computational psychology, suggesting a separation of the practice of computational psychology from the philosophical claims made by CTM.