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Neuroscientist Dean Burnett explains the inner workings of the brain and which parts have the greatest impact on happiness. Burnett, who is also a comedian, wrote the best-selling book The Idiot Brain - and his latest is The Happy Brain, The Science of Where Happiness Comes From and Why. He is a lecturer at Cardiff University’s Centre for Medical Education. His Brain Flapping blog is the most read on the Guardian science network.
