Its the primitive bit what learns us...

The brain is perhaps the most complex machine in existence. It contains our intellect, senses, emotions, personality, and memory -- the very things that make humans so human. Scientists used to study the brain by dissecting it or just observing behavior. But now they are able to get further inside by using electrodes and sophisticated scanners to actually see the brain firing as it functions. These mental maps are creating a new picture of gray matter -- one that shows that the most primitive part of our brain, not the most advanced, may be the engine for learning