Professor John Searle examines the connections between the mind and the brain.
Melvyn Bragg and his guests discuss Rene Descartes' famous statement.
Philip Ball goes back to the 17th century to tell the story of Descartes' 'daughter'.
Dr Geoff Bunn on Descartes' contribution to our understanding of the brain
Philosopher Barry Smith explores ideas about consciousness.
Melvyn Bragg examines the history of thought about the mind/body problem in philosophy.