The podcast about the functions, opportunities and consequences of the brain. Each episode concentrates on a special topic, served with mind science news and some music.
http://braincast-englishversion.blogspot.com/
Braincast 006 - Reward System
Man is driven by emotions. So the reward system promises heavenly joy once we reach our goal. This makes it rather a motivational system – and it´s one of the best ideas of evolution.