Figure 1

Brain MRI and results of diffusion tensor tractography. A) Brain MRI showing an old infarct in the left middle cerebral artery territory and a new infarct in the right pontine basis (arrow). B) Regions of interest for the whole and anterior corticospinal tract (CST)(yellow-lined circle) and results of diffusion tensor tractography. The whole CST and the anterior CST were constructed in the patient and a normal control subject (yellow: right whole CST, red: left whole CST, green: right anterior CST, blue: left anterior CST).