ArticleFrontiers in neurology2025
Cortical activation characteristics during different swallowing tasks in post-stroke patients: a functional near-infrared spectroscopy study.
Article in Frontiers in neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study employed functional near-infrared spectroscopy (fNIRS) to investigate cortical activation patterns in post-stroke dysphagia (PSD) patients compared with non-dysphagic patients during specific swallowing tasks. Methods: Twenty-nine patients with supratentorial stroke were recruited and divided into a dysphagic group ( Results: In the dysphagia group, during the SST, activation was observed in the R-FPA, bilateral PSMC, and L-DLPFC ( Conclusion: This fNIRS study revealed distinct cortical activation patterns between post-stroke patients with and without dysphagia. PSD patients demonstrated compensatory hyperactivation in motor-related cortical regions during simple tasks, but exhibited limited modulation capacity under more demanding conditions. In contrast, non-dysphagic patients showed widespread, coordinated cortical activation that scaled with task complexity. These findings suggest that PSD is associated with impaired functional reorganization of cortical swallowing networks. Clinical trial registration: https://www.chictr.org.cn/, identifier ChiCTR2500098164.
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