Intraoperative 40 Hz Visual Light Flicker Attenuates Anesthesia/Surgery-Induced Cognitive Impairments in Elderly Mice With Enhanced Cortical-Hippocampal Coherence.

CNS Neurosci Ther · 2026 · PMC12967628 · PMID 41795140

Europe PMC DOI

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an increasing trendno p-value reported

did not reach statistical significanceno p-value reported

A/S + 40 Hz group exhibited an increasing trend compared with the A/S group, though the difference did not reach statistical significance, while alpha coherence increased significantly.

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a decreasing trendno p-value reported

In frequencies > 20 Hz, although the A/S group showed a decreasing trend, no significant difference was observed.

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