Mind-Body Awareness Training and Brain-Computer Interface

Eligibility Details: Inclusion Criteria: - Apparently healthy volunteers - Age 18-64, inclusive. - Willing and able to provide written consent. - Able to communicate in the English language. Exclusion Criteria: - Any past BCI experience. - Pregnancy - Any breathing, movement, or visual disorders. - Any active neurological or mental disorders. - History of epilepsy. - History of a vascular or cardiac disorder (e.g. heart disease) - History of a metabolic disorder (e.g. diabetes) - Any other condition which would make the subject, in the opinion of the investigator, unsuitable for the study. Exclusion criteria that would prevent subjects from participating in the optional MRI component will be: - Any MRI incompatible indwelling metal objects or implantable devices, including but not limited to the following (dental mental is allowable): - Cardiac pacemaker - Implanted cardiac defibrillator - Carotid artery vascular clamp - Intravascular stents, filters, or coils - Aortic clip - Internal pacing wires - Vascular access port and/or catheter - Swan-Ganz catheter - Shunt (spinal or intraventricular) - Aneurysm clip(s) - Neurostimulator - Electrodes (on body, head, or brain) - Heart valve prosthesis - Any type of prosthesis (eye, penile, etc.) - Artificial limb or joint replacement - Bone growth/fusion stimulator - Bone/joint pin, screw, nail, wire, plate - Metal rods in bones - Harrington rods (spine) - Metal or wire mesh implants - Wire sutures or surgical staples - Insulin pump or infusion device - Any metal fragments (i.e. metal shop) - Any implant held in place by a magnet - Cochlear, otologic, or ear implant - Claustrophobia - Hearing aid use - Any yoga/meditation in the last three months. - More than 12 yoga/meditation classes in the last 12 months. - Approximately weekly yoga/meditation for a year or more at any point in the past.