Okay, so there are about 4 levels of brain-wave frequencies.

Going from Highest to Lowest frequencies, they are: Beta, Alpha, Theta and Delta.

Those Greek names correspond to 10+Hz, 8-10Hz, 4-8Hz, and 0-4Hz.

Aside from the hippie, crunchy-granola crowd stinking up the local dreadlocked-patchouli hoe-downs at Jack Johnson’s Honolulu Dookie Ranch,

And deliberately enjoying the smell of their own farts in San Francisco,

A few different groups of people, thanks largely to our Buddhist friends, have gotten involved in Meditation…