The years since World War II have seen remarkable progress in the field of cognitive fatigue. Many fascinating and encouraging lines of research have been explored, including performance effects associated with cognitive fatigue; task characteristics leading to fatigue; feelings, motivational determinants, biological, and neuropsychological aspects of cognitive fatigue; and drug effects on cognitive fatigue. However, in all this time there has been no book-length treatment of cognitive fatigue, and little effort to bring together these diverse research strands into an integrated whole. In...