Epilepsy surgeries are performed when anti-seizure medications fail to control or significantly reduce seizures. This video provides a simple explanation of how epilepsy surgery works, the tests involved, and what patients can expect during recovery. Before surgery, patients may undergo MRI, EEG, video telemetry, PET, or SPECT scans to pinpoint where seizures start in the brain. The most common type of surgery is resective surgery, where a small section of the brain, often in the temporal lobe,