http://www.bbc.co.uk/news/uk-12225163WTF?
Sperry asked the patient to use his right hand (controlled by the left hemisphere). And this hand clearly did not have a clue what to do. So the left hand tried to help, but the right hand did not want help, so they ended up fighting like two young children.
If you've not been watching it, the programme this is a puff-piece for (The Brain - A Secret History on BBC4) has been fascinating. This Tuesday's is called "Broken Brains" and sounds like it'll be good.
