For some perspective NIH has a fairly straightforward overview of the various Brain Stimulation Therapies being practiced today @ http://www.nimh.nih.gov/health

For some perspective NIH has a fairly straightforward overview of the various Brain Stimulation Therapies being practiced today @ http://www.nimh.nih.gov/health/topics/brain-stimulation-therapies/brain-stimulation-therapies.shtml http://www.nimh.nih.gov/health/topics/brain-stimulation-ther...