Thomas Metzinger, "The Elephant and the Blind" (free download)

https://mpe-project.info/the-mpe-project/

Jackson Peterson, "The Natural Bliss of Being" 

https://www.amazon.de/-/en/Natural-Bliss-Being-Jackson-Peterson/dp/1482020173

Shamil Chandaria, "The Baysian Brain and Meditation" https://www.youtube.com/watch?v=Eg3cQXf4zSE 

Researchers around Shinzen Young

https://youtube.com/playlist?list=PLlkzlKFgdknxjhwG5wmXRVfrkeGczVPVI&si=lubs-PTX6JZVVk1l