Vagus nerve stimulation, Epilepsy surgery, Brain tumor surgery, Ablation therapy, Craniotomy, Carotid endarterectomy, A...rteriovenous malformation surgery, Aneurysm surgery, Hemifacial spasm surgery, Trigeminal neuralgia surgery, Meningioma, Aneurysm, Brain tumor, Brain metastasis, Glioma, Epilepsy, Acoustic neuroma, Neurofibromatosis, Glioblastoma, Ependymoma, Astrocytoma, Arteriovenous malformation, Trigeminal neuralgia, Oligodendroglioma, Neurofibroma, Hemifacial spasm, Chordoma, Plexiform neurofibroma, Choroid plexus papilloma