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Remember that dress? In All in the mind recorded in front of an audience at the Free Thinking Festival at Sage Gateshead, Claudia Hammond delves into the psychology and neuroscience of our visual experience. How do we know we all see the same colours? And why do adults look away from other people鈥檚 faces when they鈥檙e trying to concentrate? We hear from the visual neuroscientist trying to work out exactly what we all see when we look at colours and from the psychologist training the police and teachers that it鈥檚 ok if people look away when they talk to you. It doesn鈥檛 mean they鈥檙e lying. It could mean they鈥檙e concentrating.

Producer: Caroline Steel