In this new RSAnimate, renowned psychiatrist and writer Iain McGilchrist explains how our 'divided brain' has profoundly altered human behaviour, culture and society. Taken from a lecture given by Iain McGilchrist as part of the RSA's free public events programme. To hear the full lecture, go to youtube.com/user/theRSAorg#p/u/2/SbUHxC4wiWk