Effects of high-frequency repetitive transcranial magnetic stimulation combined with action observation and execution on upper extremity motor function in subacute stroke: a preliminary study

Authors

  • Anru Xiao, MSc student, PT Faculty of Physical Therapy, Mahidol University, Nakhon Pathom, Thailand
  • Suweena Khacharoen, PhD, PT Faculty of Physical Therapy, Mahidol University, Nakhon Pathom, Thailand https://orcid.org/0000-0002-7568-0405
  • Songkram Chotik-anuchit, MD Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Jarugool Tretriluxana, PhD, PT Faculty of Physical Therapy, Mahidol University, Nakhon Pathom, Thailand https://orcid.org/0000-0002-5303-8569

Keywords:

stroke, repetitive transcranial magnetic stimulation, action observation execution

Abstract

Background: Objective: To investigate the effect of a combined high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) with action observation execution (AOE) on upper extremity motor function in subacute stroke.

Materials and Methods: Eight participants were randomly allocated to the experimental group (real HF-rTMS) or the control group (Sham-rTMS). All the participants also received 30 minutes of AOE training. The corticospinal excitability, which is represented by peak-to-peak motor evoked potential (MEP) amplitude of the lesioned hemisphere and the motor performance of the paretic hand from nine tasks of the Wolf Motor Function Test, was measured at baseline, immediately after 5 times HF-rTMS and AOE, and 1 week after the intervention.

Results: The lesioned MEP of the experimental group increased after HF-rTMS, and the effect was maintained for one week. In addition, their time to complete hand-to-table and lift significantly decreased after AOE training and was maintained for one week.

Conclusion: Five sessions of HF-rTMS followed by AOE training enhanced the paretic hand dexterity and persisted for at least one week.

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Published

2025-06-12

How to Cite

1.
Xiao A, Khacharoen S, Chotik-anuchit S, Tretriluxana J. Effects of high-frequency repetitive transcranial magnetic stimulation combined with action observation and execution on upper extremity motor function in subacute stroke: a preliminary study. Int. Phys. Ther. Res. Symp. 11th [Internet]. 2025 Jun. 12 [cited 2025 Jul. 11];11(1):40-52. Available from: https://conference.in.th/index.php/IPTRS2025/article/view/Xiao_et_al.2025