How do people with long-term meditation practice differ from ordinary people?

Science Journalist Daniel Goleman says about this topic: “Their brain waves shows gamma as a lasting trait all the time, no matter what they are doing.We have no idea what that means experientially. Science never has seen it before“. Goleman is talking about this PNAS paper from 2004: https://www.pnas.org/doi/10.1073/pnas.0407401101 We are asking now. Where these …