Volume 7, Number 1, Winter Formalism and Psychological Explanation John Heil, Virginia Commonwealth University Biological Theories, Drug Treatments, and Schizophrenia: A Critical Assessment David Cohen, University of California, Berkeley and Henri Cohen, Université du Quebec à Montreal Understanding Surprise-Ending Stories: Long-Term Memory Schemas Versus Schema-Independent Content Elements Asghar Iran-Nejad, The University of Michigan Mechanist and