Inclusion Criteria:  • Healthy adult male and female volunteers ≥18 years of age with no neurological disease and genitourinary abnormalities will be screened:  Post-Void Residual (PVR) < 20% of their bladder capacity OR Above 10 percentile of Liverpool nomogram  AND  • AUASS score < 7 will be eligible to participate in the study.  Exclusion Criteria:  history of clinically relevant genitourinary malignancy or surgery such as:  anti-incontinence procedures urethral strictures advanced pelvic organ prolapse any neurological disorders history of seizures, pregnancy or planning to become pregnant, and contraindications to MRI will be excluded. Research team members who are involved with the data collection and the data analysis for this study.