" Like all of modern science, the field of psychiatry, especially in its current biological incarnation, has become smitten with materialist reductionism, the idea that all phenomena can be explained by the interaction and movement of material particles. As a result, to suggest that anything other than brain mechanisms in and of themselves constitute the causal dynamics of a mental phenomenon is to risk being dismissed out of hand. "

― Jeffrey M. Schwartz , The Mind and the Brain: Neuroplasticity and the Power of Mental Force