Summary of the patient characteristics
| Patient | Age (y)/sex | Histology | Tumour localisation | Largest diameter | Preoperative symptoms | Postoperative symptoms | Activation tasks |
|---|---|---|---|---|---|---|---|
| 1 | 22.2/f | Astrocytoma WHO Grade III | left frontal lobe, extending into the corpus callosum | 6.5 cm | mild right sided hemiparesis, arm > leg, mild aphasia | unchanged | right finger movement |
| 2 | 30.5/f | Giant aneurysm | right posterior end of the sylvian fissure | 2 cm | mild hemihypesthesia, especially left upper extremity | resolved | left finger movement |
| 3 | 70.1/f | Metastasis (adenocarcinoma) | left parietal lobe, close to the postcentral gyrus | 3 cm | complex partial seizure (right sided arm movements) | no deficits | right finger movement |
| 4 | 42.0 /f | Astrocytoma WHO Grade III | left superior / middle frontal gyrus | 4 cm | mild disturbance of word finding | unchanged | right finger movement |
| 5 | 20.8/f | Cavernoma (recent bleeding) | left central region | 3.5 cm | mild paresis of the right leg | unchanged | right finger/foot movement |
| 6 | 62.0/m | Metastasis (squamous cell carcinoma) | left sulcus precentralis | 2.5 cm | mild right sided hemiparesis, arm > leg | resolved | right finger movement |
| 7 | 32.6/f | Astrocytoma WHO Grade II | left superior frontal gyrus, precentral gyrus | 5.5 cm | complex partial seizure (right sided leg movements) | no deficits | right finger/foot movement |
| 8 | 37.5/m | Astrocytoma WHO Grade III | left frontal lobe, extending into the corpus callosum | 6 cm | mild right sided hemiparesis and hemihypesthesia | mild dysarthria, unchanged | right finger/foot movement |
| 9 | 24.4/m | Cavernoma | right parietal lobe, close to the postcentral gyrus | 2.5 cm | complex partial seizure (left sided arm movements) | no deficits | left finger/foot movement |