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May 1, 20260 citations

Task-State EEG Analysis Identifies Fine Hand Motor Impairment in Acute Ischemic Stroke

Task-State EEG Reveals Fine Hand Motor Impairment in Acute Ischemic Stroke: A Multidimensional Analysis of Cortical Dynamics.

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Authors

KDKe DengJZJie ZhaoYLYuqi Liu

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Overview

Randomized trial characterizes fine motor impairment in patients with acute ischemic stroke, highlighting EEG markers for rehabilitation planning.

Key Points

  • This study aims to characterize cortical dynamics related to fine hand motor impairment in acute ischemic stroke patients using EEG.
  • Fifteen patients with acute ischemic stroke and sixteen healthy controls participated.
  • EEG was recorded during three fine motor tasks, including fist clenching and finger opposition.
  • Multidimensional EEG analysis techniques, including source localization and network topology analysis, were applied.
  • Patients exhibited abnormal spatiotemporal cortical dynamics during fine hand movements compared to controls.
  • Delayed movement-related potentials and a shift in alpha- and beta-band desynchronization toward more bilateral activation were observed.
  • EEG-derived metrics showed significant correlation with muscle strength grading and NIHSS scores, indicating their potential as objective markers.

Cite This Study

Deng et al. (2026) studied this question.

synapsesocial.com/papers/69f443e8967e944ac5566f7chttps://doi.org/10.1177/10538135261441843
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