Table 1:
Demographic and electrode information for subjects participating in this study. PIQ = performance intelligence quotient (WAIS-III), VIQ = verbal intelligence quotient (WAIS-III). Subject 5’s electrodes in the primary motor area are in the hand and face areas.
| Subject | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Age | 52 | 36 | 57 | 53 | 31 | 45 |
| Language Dominance | Left | Left | Left | Left | Left | Left |
| Years Since Implant | 8 | 8 | 1 | 9 | 2 | 1.5 |
| Electrode Placement | Bilateral Hipp. | Bilateral Hipp. | Bilateral Hipp. | L. Hipp, L. Lat. Neocortex | L. Primary Motor L. Frontal Parietal | L. Hipp, L. Temp. Cortex |
| Seizure Onset Zone | Bilateral Hipp. | Bilateral Hipp. | Bilateral Hipp. | L. Hipp. | L. Frontal | L. Hipp. |
| Distribution of Sustained Epileptiform Activity | 60% Left, 40% Right | >90% Right | Bilateral, Right leading left >90% | Left | Left | Left |
| Seizure Reduction with RNS System | 66% | 60% | 40% | 80% | 90% | 75% |
| VIQ (WAIS-III) | Not Available | 82 | 110 | 105 | 101 | 103 |
| PIQ (WAIS-III) | Not Available | 97 | 103 | 109 | 95 | 88 |