You can't have any ferrous metal in your head or your eyes to be eligible for TMS. A titanium aneurysm clip is fine as it isn't subject to magnetic forces. You can't have a cochlear implant or pacemaker. In other words, if you can have an MRI, you can get TMS. If you suffer from a seizure disorder, you should not get TMS. For further information contact any one of our sites to get screened or if you have any questions.