Quoted: “One of [NCCAMâ??s] critical roles is to actually weed out the snake oil, which I am sure there is quite a bit of,” says Richard Davidson, a neuroscientist and NCCAM grantee at the University of Wisconsin, Madison. His work on the effects of meditation on the brain and peripheral biology has been published in mainstream journals such as The Proceedings of the National Academy of Sciences, PLoS Biology and The Journal of Neuroscience.