Parietal-Occipital Gamma in Meditators

Experienced Mindfulness Meditators Exhibit Higher Parietal-Occipital EEG Gamma Activity during NREM Sleep.

The area of significance (p=0.002) in red/pink:

Correlation with daily practice:

 

These days I wonder a bit about reported daily practice numbers.  As one progresses, the difference between on the cushion and off the cushion may become less pronounced, so that practice becomes essentially all day.  It would be interesting if there was a "years past stream entry" metric based on the Mahasi criteria of cessation.  Not that many would even know what that is.