Hello. I'd love to hear from anyone who has the RNS implant device (from Neuropace), and how long it has taken to truly be effective. My young adult son has had it for almost a year now. We only see moderate success. He has bi-temporal, medicine-resistant focal epilepsy. He is 26, and was diagnosed at age 20. I understand that each person's situation is unique. I had hoped to see more success by now. Thanks for your comments.