We reviewed EEG devices and the effect of practicing meditation since several years. But often happened exactly the opposite of one would expect. In 2004, the group of Richard Davidson wrote a paper about extraordinary brain waves of long-term meditators in PNAS: https://www.pnas.org/doi/10.1073/pnas.0407401101 Matthieu Ricard, Buddhist monk with a PhD. in cellular genetics who participated …