Alpha waves fall in the middle of the brain wave spectrum and occur at the beginning of a meditation, when you clear your mind. Alpha slows down the heart rate, and so is regenerative and helps with learning speed and memorisation.
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Online archive for our "sync up" group. It may shift to Copleston Mindfulness II. Check our Tumblr for fluctuations: https://coplestonmindfulness.tumblr.com/