Fig. 1.

An example of variable thresholding in a tumor patient. These images are of a tumor patient after performing the receptive language, text-reading task showing the general trend we observed for most of the tasks of shifting from a bilateral pattern of language activity to a left lateral pattern as the threshold becomes more stringent. The images follow a radiological convention with left hemisphere (L) on the right and right hemisphere (R) on the left. Talairach functional maps of all the patients are averaged together and overlaid onto the MNI 152 standard anatomical template.