| The RNS System | |
|---|---|
| Where stimulation is delivered |
Seizure source1(in the brain) |
| Monitors & responds to brain activity | Yes |
| Records EEG data for your doctor to review | Yes |
| Stimulation side-effects | No chronic stimulation side-effects3 |
| VNS Therapy | |
|---|---|
| Where stimulation is delivered |
Vagus nerve2(in the neck) |
| Monitors & responds to brain activity | No |
| Records EEG data for your doctor to review | No |
| Stimulation side-effects | Potential voice changes and hoarseness4 |
