Has the study of Richard Davidson with Tibetan Buddhist monks ever been reproduced?

Last Updated on February 23, 2024 by pg@petergamma.org

This PNAS study:

https://www.pnas.org/doi/full/10.1073/pnas.0407401101

Richard Davidson mentioned one group who has reproduced it. And Matthieu Ricard was a test person in this paper. We sah once a YouTube video about it, but we do not know which paper it is. But who else has reproduced this PNAS paper?