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September 3, 2026Journal of BiophotonicsOpen Access

fNIRS ‐Based Network Signatures of Sensory‐Primed Bilateral Arm Training in Subacute Stroke Recovery

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Authors

WLWenhao LiBWBing WangQZQiang Zhang

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Overview

Interventional study demonstrates enhanced cortical activation and network connectivity from sensory-primed arm training in subacute stroke, suggesting improved neuroplastic recovery.

Key Points

  • To evaluate how peripheral electrical stimulation combined with bilateral arm training alters cortical hemodynamics and functional network connectivity in subacute stroke patients using fNIRS.
  • Monitored cortical hemodynamic responses using functional near-infrared spectroscopy (fNIRS) in 24 subacute stroke patients during rehabilitation tasks.
  • Quantified task-related cortical activation and interregional synchronization across the 0.01–0.08 Hz frequency range using wavelet amplitude and wavelet phase coherence analyses.
  • Peripheral electrical stimulation combined with bilateral arm training elicited greater hemodynamic activation in ipsilesional prefrontal and motor regions compared to arm training alone.
  • The combined sensory-motor approach enhanced phase synchronization across distributed cortical networks and preserved interhemispheric coherence, counteracting maladaptive contralesional dominance.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a99352e636c6408cfa7d352https://doi.org/10.1002/jbio.70353
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Use of cortical hemodynamic responses in digital therapeutics for upper limb rehabilitation in patients with stroke2024
  2. 2Cortical response induced by task‐oriented training of the upper limb in subacute stroke patients as assessed by functional near‐infrared spectroscopy2022 · 14 citations
  3. 3Multisession fNIRS-EEG data of Post-Stroke Motor Recovery. Recordings During Intact and Paretic Hand Movements2026 · 1 citations
  4. 4Limb linkage rehabilitation training-related changes in cortical activation and effective connectivity after stroke: A functional near-infrared spectroscopy study2019 · 62 citations
  5. 5Unveiling the upper-limb functional recovery mechanisms in stroke patients using brain-machine interfaces: a near-infrared functional imaging-based study2025 · 5 citations