Something Hidden: A Portrait of Wilder Penfield

Eminent Canadian neurosurgeon Wilder Penfield, spurred by an insatiable curiosity and a persistent sense of mission, led a team that explored the brain and uncovered many of its mysteries. Through the 'Montreal Method,' an innovative operation in which the patient remained conscious throughout, he was able to map much of the brain. He found the centres of sensation and motor control, and stumbled across fascinating clues to memory. To trace his complex life, the film uses both contemporary and historical footage, including remarkable scenes of the epilepsy operation that made him famous. His religious feeling and writing career are also detailed.