Conscious sensations ground our sense of self, but is it only humans who feel this way? Do other animals? Will future machines? Nicholas Humphrey tells the story of his quest to understand the evolutionary history of consciousness and explains the startling answers he has come to.

Conscious sensations ground our sense of self, but is it only humans who feel this way? Do other animals? Will future machines? Nicholas Humphrey tells the story of his quest to understand the evolutionary history of consciousness and explains the startling answers he has come to.