Resting state cortical oscillations of patients with parkinson disease and with and without subthalamic deep brain stimulation: A magnetoencephalography study

Chunyan Cao, Dianyou Li, Tianxiao Jiang, Nuri Firat Ince, Shikun Zhan, Jing Zhang, Zhiyi Sha, Bomin Sun

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Purpose: In this study, we investigate the modification to cortical oscillations of patients with Parkinson disease (PD) by subthalamic deep brain stimulation (STN-DBS). Methods: Spontaneous cortical oscillations of patients with PD were recorded with magnetoencephalography during on and off subthalamic nucleus deep brain stimulation states. Several features such as average frequency, average power, and relative subband power in regions of interest were extracted in the frequency domain, and these features were correlated with Unified Parkinson Disease Rating Scale III evaluation. The same features were also investigated in patients with PD without surgery and healthy controls. Results: Patients with Parkinson disease without surgery compared with healthy controls had a significantly lower average frequency and an increased average power in 1 to 48 Hz range in whole cortex. Higher relative power in theta and simultaneous decrease in beta and gamma over temporal and occipital were also observed in patients with PD. The Unified Parkinson Disease Rating Scale III rigidity score correlated with the average frequency and with the relative power of beta and gamma in frontal areas. During subthalamic nucleus deep brain stimulation, the average frequency increased significantly when stimulation was on compared with off state. In addition, the relative power dropped in delta, whereas it rose in beta over the whole cortex. Through the course of stimulation, the Unified Parkinson Disease Rating Scale III rigidity and tremor scores correlated with the relative power of alpha over left parietal. Conclusions: Subthalamic nucleus deep brain stimulation improves the symptoms of PD by suppressing the synchronization of alpha rhythm in somatomotor region

Original languageEnglish (US)
Pages (from-to)109-118
Number of pages10
JournalJournal of Clinical Neurophysiology
Volume32
Issue number2
DOIs
StatePublished - Apr 4 2015

Keywords

  • Cortical oscillations
  • Deep brain stimulation
  • Magnetoencephalography
  • Parkinson disease
  • Spectra

Fingerprint Dive into the research topics of 'Resting state cortical oscillations of patients with parkinson disease and with and without subthalamic deep brain stimulation: A magnetoencephalography study'. Together they form a unique fingerprint.

Cite this