Recursion and Language in Shaping the Human Brain for Consciousness

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Language allows humans to be conscious of things that other animals are not conscious of. Human language, through recursion and self-representation, creates a capacity for recursive levels in the human brain. Language provides a place to stand in our own cognition, enabling self-stimulation and exploration of our own brains. This process of recursion and self-stimulation creates qualities and properties that are subjective, dependent on the appreciation of the property to bring it into existence.

Wilfrid Sellars described the task of philosophy as explaining how things, in the broadest sense of term, hang together, in the broadest sense of the term. (Substitute “exploring” for “explaining” and you’d have a good mission statement for the Mindscape podcast.) Few modern thinkers have pursued this goal more energetically, creatively, and entertainingly than Daniel Dennett. One of the most respected philosophers of our time, Dennett’s work has ranged over topics such as consciousness, artificial intelligence, metaphysics, free will, evolutionary biology, epistemology, and naturalism, always with an eye on our best scientific understanding of the phenomenon in question. His thinking in these areas is exceptionally lucid, and he has the rare ability to express his ideas in ways that non-specialists can find accessible and compelling. We talked about all of them, in a wide-ranging and wonderfully enjoyable conversation.

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Daniel Dennett received his D.Phil. in philosophy from Oxford University. He is currently Austin B. Fletcher Professor of Philosophy and co-director of the Center for Cognitive Studies at Tufts University. He is known for a number of philosophical concepts and coinages, including the intentional stance, the Cartesian theater, and the multiple-drafts model of consciousness. Among his honors are the Erasmus Prize, a Guggenheim Fellowship, and the American Humanist Association’s Humanist of the Year award. He is the author of a number of books that are simultaneously scholarly and popular, including Consciousness Explained, Darwin’s Dangerous Idea, and most recently Bacteria to Bach and Back.