PMC4338855_01
Structural MRI with images revealing partial agenesis of the corpus callosum with missing body and splenium. Part of the genu of the corpus callosum is seen.
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Structural brain MRI revealed partial agenesis of the corpus callosum (Fig. 1).
Functional MRI axial images showing pre- and postoperative activation from the audio sentence task. Areas of preoperative activation are depicted in yellow; areas of postoperative activation in red and overlap in blue.
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An auditory sentence task produced a laterality index (LI) of 0.2 within the inferior frontal region of interest (ROI) containing anterior language areas (LIs can range from 1.0 to - 1.0, with 1.0 indicating strong left-hemisphere language dominance) (Fig. 2, yellow). The postoperative fMRI laterality index for inferior frontal ROI was 0.6 (Fig. 2, red).