This book uses rare pathologies to inform questions on topics such as consciousness and rationality. Rather than trying to answer these by inventing far-fetched scenario or 'thought experiments', it is better to utilize a rich but under-used clinical resource.1. Introduction PART I: THE ROLE OF CONSCIOUSNESS IN INTENTIONAL ACTION 2. Philosophical Issue 1: Conscious Inessentialism 3. Blindsight and Other Visuomotor Pathologies 4. Philosophical Issue 2: What Makes an Action Intentional? 5. Anarchic Hand 6. Alien Control 7. Philosophical Issue 2 Revisited: Conscious Decision Making and Free Will PART II: THOUGHT, SUBJECTIVITY AND RATIONALITY 8. Philosophical Issue 3: What Makes a Thought My Thought? 9. Thought Insertion 10. Philosophical Issue 4: What is it to be Rational? 11. The Capgras Delusion 12. The Cotard Delusion PART III: KNOWLEDGE HOW AND EPISTEMOLOGICAL REDUCTION 13. Philosophical Issue 5: Ryle's Dichotomy and the Intellectualist Challenge 14. Visuomotor Pathologies Revisited EpilogueGarry Young is Senior Lecturer in Psychology at Nottingham Trent University, Nottingham, UK. He is the author of Ethics in the Virtual World: The Morality and Psychology of Gaming, Delusional Misidentification and Transcending Taboos: A Moral and Psychological Examination of Cyberspace (co-authored, M.T. Whitty).