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Effect of Dual-Task Training on the Number of Eeg Bands in Stroke Patients Publisher Pubmed



Asadi B1 ; Khodabakhshi Z2 ; Naimi SS3 ; Herrero P1, 4 ; Ansari NN5, 6 ; Lapuentehernandez D1, 4
Authors
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Authors Affiliations
  1. 1. iHealthy Research Group, Institute for Health Research Aragon, H.C.U. Lozano Blesa, Zaragoza, Spain
  2. 2. Student Research Committee, School of Rehabilitation, Shahid Beheshti University of Medical Science, Tehran, Iran
  3. 3. Physiotherapy Research Center, Shahid Beheshti University of Medical Science, Tehran, Iran
  4. 4. Department of Physiatry and Nursing, Faculty of Health Sciences, University of Zaragoza, Zaragoza, Spain
  5. 5. Research Center for War-Affected People, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Physiotherapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran

Source: Physiotherapy Research International Published:2025


Abstract

Background/Objective: Dual-task training (DTT) positively impacts stroke recovery, but its effects on electroencephalography (EEG) using Fourier series analysis are under-researched. This study aimed to evaluate the effects of DTT on EEG in stroke patients by analyzing different EEG bands with fast Fourier transform (FFT). Methods: Five participants with unilateral ischemic stroke completed 12 sessions of 15-min DTT, three times a week for 4 weeks. EEG data were recorded before and after the intervention, and FFT analysis was conducted. Assessments of upper limb function, elbow flexor muscle tone, and daily living activities were also performed. Results: FFT analysis showed a reduction in delta, theta, alpha, and beta bands post-DTT, while their correlation between measurement times remained consistent. These changes were somewhat reflected in the participants' improved clinical outcomes. Conclusion: The results suggest that DTT positively affects EEG band frequencies, with a consistent correlation between pre- and post-intervention measurements. This indicates that FFT analysis could be a useful tool for assessing DTT's impact on stroke recovery. © 2025 The Author(s). Physiotherapy Research International published by John Wiley & Sons Ltd.
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