Zen teachings would crush the very idea of a 'state', to start with ;-)
by Ward Plunet:
This Device Can Zap Your Brain Into A State Of Zen. Is That A Good Thing?
The device did seem to work on some level. For 15 minutes, I experienced a light pressure on the side of my forehead while the electrodes delivered pulses. Toward the end of the session and for about an hour afterward, my brain was definitely down a notch. However, I wouldn't describe the feeling as zen so much as vaguely stoned. This is apparently not unusual, as one of the company's publicity reps, Mark de la Vina, told me that it makes a small percentage of users feel high. I felt a pleasant, light floatiness and noticed myself typing and speaking more slowly.
"We are still looking at the tip of the iceberg," Dr. Roi Cohen Kadosh, a professor of cognitive neuroscience at Oxford, said to HuffPost. "We still do not have good understanding of the potential side effects -- especially not the long-term effect of tDCS, and especially not for those that will be used at home for months."Click on link to continue: