Rethinking ConsciousnessIlluminating his groundbreaking theory of consciousness known as the attention schema theory, Michael S. A. Graziano traces the evolution of the mind over millions of years with examples from the natural world. He shows how neurons first allowed animals to develop simple forms of attention and then to construct awareness of the external world and of the self. Graziano draws from his and other scientists' research to explore how this sense of a