ArticleiScience2026
Frequency-specific electromagnetic modulation of brain redox state precedes cortical activity in stroke recovery.
Article in iScience, 2026. 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
Mitigating oxidative stress is essential for recovery from stroke and other brain pathologies. Transient modulation of reactive oxygen species production triggers both cellular defense/repair mechanisms and neuroplasticity. Extremely low-frequency, low-intensity electromagnetic field (ELF-EMF) exposure may achieve both non-invasively. Here, we explored longitudinal consequences of frequency-specific ELF-EMF treatment on oxidative stress and cortical electrical activity in mice, and the implications for stroke recovery in humans. In mice, chronic (4w), daily 40Hz ELF-EMF (3h) exposure was neuroprotective across brain regions, as reflected in glutathione oxidation state. Notably, this followed an initial redox burden at treatment onset that was also detectable peripherally (urinary isoprostane, IsoP). Cortical rhythms emerged only gradually after chronic treatment. Enhanced EEG beta (13-30 Hz) power correlated with initial IsoP levels in mice and the degree of stroke recovery in humans. Taken together, ELF-EMF induces a sequential redox state dynamic that drives cortical activity toward functional recovery.
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