Inclusion Criteria:  A sufficient level of education to understand study procedure and be able to communicate with site personnel. 18-60 years old. Interested in meditation. No metal or electronic implants in the body; no prosthesis (metal braces, dentures, etc.); no claustrophobia; no tattoos, piercings, etc.; no makeup on the day of the experiment. Right-handed.  Exclusion Criteria:  The participant has a contraindication to MRI examination, such as claustrophobia. The participant is physically unfit for MRI, such as having a metal implant. The participant has a history of neurological or psychiatric disorders, or is taking any chronic medications that may interfere with the experiment.