Article Figures & Data
Figures
- Figure 1 Structural and Metabolic Integrity
Left panels A–F: 16-year-old male P1 (traumatic brain injury at age 9). Right panels G–L: 18-year-old male P2 (anoxic brain injury at age 13). Panels A, C, and E for P1 and Panels G, I, and K for P2 show axial, coronal, and sagittal fused PET/CT windowed at 0–9 standardized uptake value (SUV) for P1 and 0–13 SUV for P2; Panels B, D, and F for P1 and Panels H, J, and L for P2 show the corresponding T1 MPRAGE MRI.
- Figure 2 Command-Following Using EEG and fMRI
Scalp maps show changes in EEG spectral power during attempted hand movement in the alpha (8–12 Hz) frequency band. EEG results are show from P1's session 3 (panels A–D) and P2's session 2 (F–I): colored scalp maps display average difference in log spectral power between attempted movement and baseline at rest. Grayscale maps represent the p value of a two-group test performed separately at each electrode position. Overall p value is from a 1-sided permutation test of a statistic reflecting contralateral desynchronization (reduction in EEG spectral power) and ipsilateral synchronization (increase in power). Panels (E) and (J) show bilateral fMRI responses in BA6 to the command “Move your left arm” (highlighting activation in the right hemisphere in the leftmost panel) for the second of P1's 2 sessions and P2's single session, respectively; colors indicate significant t-statistics.
- Figure 3 EEG Correlates of Auditory Stimulus Processing
The log noise-corrected magnitudes of the auditory evoked potential (AEP, A) and P300 event-related potential (ERP, B) are shown for P1 and P2 in comparison with 10 other pediatric participants with brain injury.13 Participants are split into 4 groups according to whether they were in a disorder of consciousness (DoC) or had emerged from DoC into confusional state (CS) and whether they had positive or negative EEG findings in motor command-following (MCF-EEG + or – ).
- Figure 4 Time-Locked EEG Correlates of Semantic Processing
From a single representative session with P1 (A) and another with P2 (B), event-related potentials from electrode position Cz are shown time-locked to the onset of the last word in a sentence, which is either semantically congruent (blue) or incongruent (orange) with the preceding sentence context. Time points at which there was a statistically significant difference (p < 0.05) between conditions are indicated with a black line and asterisks.
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The Nerve!: Rapid online correspondence
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