Are Rob ter Horst & Milind Desai brain scan study participators in Richard R. Davidsons scientific studies about meditation which are a fraud?

Rob ter Horst & Milind Desai tested smartwatch accuracy, and Richard R. Davidson measured brain waves of meditators. All of those work in research institutes at the highest level internationally. But is there work they do there which we describe here also at the highest level internationally? Peter Gamma from www.petergamma.org doubts about this. So …