Using an external stimulus such as a steady, repetitive tone or drum, to help the brainwaves synchronize to a frequency known to get specific responses.
Our Llewellyn Virtual Author Forums are a bi-monthly series of free online roundtable events featuring your favorite Llewellyn authors discussing topics important to you and answering your questions.
Our latest in the series, on Tarot and...
New Worlds of Body, Mind & Spirit Since 1901
