What is the neuroscience of depression, how does it affect decision-making, and what are the ethics of medical treatments? Rana Mitter chairs a discussion looking at how we control our minds. He is joined on stage by Professor Barbara Sahakian who questions the ethics of smart drugs, Richard Bentall the Professor of Clinical Psychology at the University of Liverpool, and Guardian columnist and author Clare Allan. Recorded on Saturday 26th October 2013 in front of a live audience at Sage Gateshead as part of Radio 3's Free Thinking festival.