Monday, April 27, 2020

Low-frequency oscillations are a biomarker of injury and recovery after stroke

I see ABSOLUTELY NOTHING here that is going to help survivors recover. Useless. If we had any stroke leadership these wastes of time on biomarkers would stop.

Low-frequency oscillations are a biomarker of injury and recovery after stroke

StrokeCassidy JM, Wodeyar A, Wu J, et al. | April 20, 2020

Given that low-frequency oscillations reflect brain injury but also contribute to normal behaviors, researchers looked at hypotheses related to electroencephalography measures, including low-frequency oscillations, injuries and poststroke motor recovery. The association between electroencephalography (power and coherence with leads overlying ipsilesional primary motor cortex [iM1]) and with injury and motor status was evaluated, concentrating on delta (1–3 Hz) and high-beta (20–30 Hz) bands. Across all individuals (n = 62), larger infarct volume was associated with higher delta band power in bilateral hemispheres and with higher delta band coherence between iM1 and bilateral regions. Coherence of the delta band with iM1 was subacutely related to greater injury and poorer motor status,
while power of the delta band was chronically correlated with greater injury and better motor status. Low-frequency oscillations represent both injury and after stroke recovery and can be useful biomarkers in
the recovery and rehabilitation of strokes.
Read the full article on Stroke

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