Description:Professor Alan Snyder has proved that it is possible to switch on savant-like abilities in the brain by attaching large magnetic circuits to the head. Ex convict Tommy McHugh has experienced irresistible compulsions to paint and sculpt since his stroke in 2001. Eleven year old Ping-Lian Yeak is autistic. He can hardly speak but his painting is magnificent. Could these extraordinary cases point the way to the hidden talents that lie within us all?