Preface.- I The Crucial Question - Mind, Brain and Body.- II Dennett and Descartes.- III A Natural Method.- IV Descartes's Error and Spinoza's Truth.- V The Dynamic Brain.- VI Guidance from Past Insights.- VII The Conditions of Consciousness.- VIII Who or What Thinks?- IX Towards a Solution.- Appendix The Theory of Emergence and Contemporary Criticism.- Bibliography. Index.

The essential puzzle of consciousness is how the electro-chemical activity constantly occurring in the brain translates into the conscious experience we enjoy. In this highly praised study, Errol Harris considers the attempts made by several important neuro-scientists and philosophers to address the question, and makes his own suggestions as to how it might be approached with the best prospect of intelligibility.