Buy an fMRI brain scanner as it was used by Richard Davidson’s group in this paper: https://www.pnas.org/doi/10.1073/pnas.0407401101 A study which was performed on request of the Dalai Lama the 14. to find a scientific proof for the effect of meditation. A PNAS paper from 2004 in which Matthieu Ricard participated as well and called a …