Part I: Metaphysics of the Soul and Powers
Chapter 1. Soul as the Substantial Form of an Organic Body
Chapter 2. Soul as the Intrinsic Principle of Vital Operations
Chapter 3. Unicity Theory of the Soul
Chapter 4. Powers as Really Distinct Entities and the Soul-Causal Efficacy
Part II: The External Senses I
Chapter 5. Necessity of Sensible Species
Chapter 6. Nature and Origin of Sensible Species
Chapter 7. Cognitive Act as a Distinct Ontological Unit
Chapter 8. Active Perception: The Causes of Sensation
Chapter 9. Terminus of a Perceptual Act: Representationalism, or Direct Realism?
Chapter 10. Intuitive Cognition of Absent Objects?
Chapter 11. Perceptual Self-Awareness and Perceptual Judgment
Appendix: Self-Knowledge in Embodied, Separated and Angelic Intellects
Part III: The External Senses II
Chapter 12. Ordering of the External Senses
Chapter 13. Sight
Chapter 14. Hearing
Chapter 15. The Lower External Senses
Part IV: The Internal Senses
Chapter 16. Reduction of the Number of Internal Senses
Chapter 17. Causes of Imaginative Species
Chapter 18. Reduction of the Cognitive Scope of Internal Apprehension
Conclusion.