Richard Davidsons PNAS paper from 2004 about meditation: a paper which was published on behalf of marketing agencies?

Richard Davidsons PNAS paper from 2004: Long-term meditators self-induce high-amplitude gamma synchrony during mental practice https://www.pnas.org/doi/full/10.1073/pnas.0407401101 In following interview with Richard Davidson and Daniel Goleman on YouTube about the book “Altered Traits”: Richard Davidson mentions a graph which shows an increase in publications about meditation after the year 2004: But Daniel Goleman asks, if this …