On the one hand, it is a pretty light article. On the other, the names dropped are fairly respected in their fields. If you have a genuine interest in the topic, may I suggest you check out this podcast:

https://samharris.org/podcasts/111-science-meditation/

It involves the people mentioned in the article and is quite illuminating as to what they've done over the previous few decades regarding this research topic.

You might enjoy this from a while back - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2944261/

And yet, it has sparked a very good conversation with people's experiences, tips, links, books... the exact raison d'être of HN.