Non-Invasive Low Intensity Focused Ultrasound Stimulation for Drug-Resistant Epilepsy

Inclusion Criteria * Male or female between 21 and 65 years of age at screening * Clinical diagnosis of drug-resistant epilepsy with on average, 4 or more seizures per month. * Able to provide informed consent (or assent when applicable) by the subject or subject's legal representative. * Be willing to undergo a brain MRI. * Be able and willing to wear a headband during the treatment duration. * Be able to complete scheduled visits and daily seizure logs. Exclusion Criteria * Has a craniotomy or pathologic intracranial lesion (e.g. vascular malformations) in the trajectory of the focused ultrasound beam. * Pregnant, breastfeeding, is attempting pregnancy, or unwilling to practice birth control during participation in the study. * Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data. * Has any unstable medical or psychiatric disease. * Any contraindications for completing a brain MRI scan. * Has evidence of any other clinically relevant neurological disorder at the time of screening, including Alzheimer's disease, frontotemporal dementia, Huntington's disease, amyotrophic lateral sclerosis, and multiple sclerosis.