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Temporal Dynamics of Beta Power Related to the Stun Effect in Parkinson's Disease Patients after Deep Brain Stimulation Surgery

  • Martijn G.J. de Neeling
  • , Stijn Geraats
  • , Bart E.K.S. Swinnen
  • , Mariëlle J. Stam
  • , Rob M.A. de Bie
  • , Bernadette van Wijk
  • , P. Rick Schuurman
  • , Arthur W.G. Buijink
  • , Martijn Beudel

Research output: Contribution to JournalArticleAcademicpeer-review

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Abstract

Background. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective treatment for patients with advanced Parkinson's disease (PD). Early programming of DBS may be complicated by the postoperative “stun effect,” which also may impact local field potentials (LFPs).

Methods. Percept PC neurostimulators (Medtronic) were used to continuously record LFPs from the STN in 32 PD patients at home during the first 2 months after DBS surgery. Average beta peak power (“beta power”) per day was analyzed using change‐point analysis.

Results. Median beta power across patients showed an upward trend with a changepoint 24 to 40 days after surgery. Median beta power directly following DBS activation did not significantly drop but continued to increase beyond the DBS activation visit.

Conclusion. The neurophysiological stun effect persists for at least 3 weeks and should be taken into consideration when timing and applying sensing‐informed or adaptive DBS based on beta power.
Original languageEnglish
Pages (from-to)222-227
Number of pages6
JournalMovement Disorders
Volume41
Issue number1
Early online date30 Sept 2025
DOIs
Publication statusPublished - Jan 2026

Bibliographical note

© 2025 The Author(s). Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

Funding

P.R.S. is an independent consultant for Medtronic, Boston Scientific, and Elekta. R.M.A.d.B. received research grants from Medtronic, Bial, ZonMw, AMC Foundation, ROMO Foundation, and Stichting ParkinsonFonds, all paid to the institution. B.C.M.v.W. and M.B. received funding from an EU Joint Programme—Neurodegenerative Disease Research (JPND) project. The project is supported through the following funding organizations under the aegis of JPND— www.jpnd.eu : the Netherlands Organisation for Health Research and Development (ZonMw)—the Netherlands.

Funders
JPND
AMC Foundation
EU Joint Programme—Neurodegenerative Disease Research
ROMO Foundation
ZonMw
Netherlands Organisation for Health Research and Development
Medtronic

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