Trials to show that brain training in the form of meditation can cause an overwhelming change in levels of happiness. Happiness is a “skill” to be learned according to Matthieu Ricard, a frenchman who studies Buddism and is the interepreter for the Dalai Lama.

“MRI scans showed that [Ricard] and other long-term meditators - who had completed more than 10,000 hours each - experienced a huge level of “positive emotions” in the left pre-frontal cortex of the brain, which is associated with happiness. The right-hand side, which handles negative thoughts, is suppressed.”

Source: The Independent