Abstract: Parkinson's disease (PD) is a common neurodegenerative disease in middle-aged and elderly population. PD patients with observable symptoms suffer from irreversible degeneration of neural system, but the treatment and prognosis are challenging. Electroencephalography (EEG) is an important approach in neuroscience research, which could record electrical signals from the entire brain with high temporal resolution, and it is widely applied to clinical PD research. This review focuses on EEG investigations on non-motor symptoms, motor symptoms, and treatment efficacy of PD. The advantages and limitations of EEG technique in clinical applications are also discussed.

Key words: Parkinson's disease, Electroencephalography, clinical application, advantage, limitation