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FIG 8. Sagittal view in an individual shows activation in the region of the hypoglossal nucleus (XII) and in the muscle of the tongue, in relation to pushing the tongue forcefully and repeatedly against the hard palate. Also shown are the findings from cross-correlation analysis in this region of interest (ROI) and the head movement analysis for this trial. Head movement remained less than 1 mm for the duration of the trial.
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