Table 1.
Clinical demographics and a full description of the brain structures and number of units identified in the recordings
| Patient/age/gender | PET/MRI findings | Seizure onset zone (SOZ) | Resection/outcome | Macroelectrode/units |
|---|---|---|---|---|
| 398/41/F | Metabolic and structural abnormalities left temporal. Pathology focal cortical dysplasia (FCD) IB | Left temporal spreading to right entorhinal cortex | Left temporal, significant improvement | L H: L A: L PHG: 6 units, L AC: 9 units, L TO: R H: 5 units, R A: R EC: 11 units, R PHG: 2 units, R AC: R TO: |
| 406/33/F | Mild metabolic abnormality left temporal, structural abnormality right frontal lobe and left hippocampal T2 hyperintensity | Left medial temporal lobe | No surgery | L H: 6 units, L A: 8 units, L PHG: 13 units, L AC: 3 units, L SMA, R H: 8 units, R A: 8 units, R PH: 6 units, R AC: 4 units, R OF, R SMA |
| 416/26/M | Mild metabolic abnormality right temporal, mild structural abnormality left temporal | Bilateral mesial temporal lobe and right inferior frontal gyrus | No surgery | L H: 3 units, L A: L EC: 1 unit, L AC: 3 units, L OF: 10 units, R H: 16 units, R A: 8 units, R EC: 7 units, R TG: 12 units, R AC: R OF: R IFG: |
| 417/23/M | Metabolic abnormality right parietal lobe, normal structural. Pathology FCD IIA and IIB | Right parietal | Right parietal seizure free | L H: L A: L PHG: 4 units, L P: 8 units, R H: 9 units, R A:, R PH: 8 units, R P: 7 units |
| 422/19/F | Volume loss due to prior left anterior mesial temoral lobectomy. Normal around margins of resection site and elsewhere | Not localized | No surgery | L PH: 8 units, L AC: 1 unit, L OF: 11 units, L SMA: 8 units, L PT: 2 units, R H: 5 units, R PH: 6 units, R OF: 7 units, R P: 10 units |
| 423/52/F | Metabolic and structural abnormalities left temporal including amygdala T2 hyperintensity. Pathology gliosis | Left mesial temporal lobe | Left temporal seizure free | L H: 5 units, L A: L EC: 8 units, L OF: 7 units, R H: 1 units, R A: R EC: 11 units, R OF: |
L, left hemisphere; R, right hemisphere; H, hippocampus; A, amygdala; EC, entorhinal cortex; PHG, parahippocampal gyrus; TG, temporal gyrus; AC, anterior cingulate; MC, middle cingulate; PC, posterior cingulate; OF, orbitofrontal and medial prefrontal cortex; SMA, supplementary motor area; P, parietal cortex; TO, temporo-occipital, PT, posterior temporal cortex; FG, fusiform gyrus; IFG, inferior frontal gyrus.