Dr. Edward 常 is a neurosurgeon who specializes in treating drug-resistant epilepsy, 面部疼痛, movement disorders and brain tumors. He has expertise in advanced 大脑映射 方法, techniques that enable surgeons to remove diseased brain tissue, 如肿瘤, while minimizing damage to healthy tissue that's important for functions such as speech and movement. He also has extensive training in deep brain stimulation for movement disorders and other devices that alter nerve activity to treat disease.