Meditation made easy before and after the evalution of the MRIS?

before the evaluation: evalutation of the MRIS: after the evalution: The Ultracortex “Mark IV” EEG Headset with 16 channels is unassembeled $ 799.99 USD in the www.OpenBCI.com shop: This is only the EEG headset and does not include a Cyton board. But there are alternatives to the Ultracortex on the market on eBay and Aliexpress …