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Fig. 1 | BMC Neurology

Fig. 1

From: Comparative analysis of background EEG activity based on MRI findings in neonatal hypoxic-ischemic encephalopathy: a standardized, low-resolution, brain electromagnetic tomography (sLORETA) study

Fig. 1

Statistical maps using standardized low-resolution brain electromagnetic tomography (sLORETA) of four frequency bands in the two groups (moderate-to-severe injury vs. normal-to-mild injury) were projected onto a three-dimensional fiducial brain cortex. Delta (a). Theta (b). Alpha (c). Beta (d). Non-parametric statistical analyses were performed to compare the current density distribution of the four frequency bands between the two groups. Log-F-ratio statistics were employed, and the color scale represents log-F-ratio values (threshold log-F-ratio =  ± 0.375, p < 0.05; threshold log-F-ratio =  ± 0.490, p < 0.01). A indicates anterior; P posterior, S superior, I inferior, L left, R right, B both, H hemisphere, V ventricle 

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