Assessing Brain Neurophysiology in COVID-19 Patients With Prolonged Cognitive Fatigue: A Comparison With Persistent Post-concussion Symptoms.

Cureus · 2025 · PMC12357540 · PMID 40821130

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a marked trendno p-value reported

The alpha amplitude in the long COVID group, as in PPCS [ 13 ], trended toward reduction in occipital regions, accompanied by a frontal increase, as illustrated in Figure 1 (top), and a marked trend of alpha asymmetry as measured by the frontal alpha amplitude ratio.

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