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New technique ID's parts of brain most crucial to 'normal' functioning

A team of researchers has developed a novel new brain imaging technique that produces maps that “light up” the relationship between the severity of a behavioral deficit and the voxels (similar to pixels in computer images) in the brain that contribute the most to that deficit. Discovery of the new technique, known as Voxel-based Lesion-Symptom Mapping (VLSM) will give researchers an invaluable new tool for pinpointing the specific areas of the brain that are most crucial for normal functioning during critical brain activities, starting with the measures of language comprehension and production that were used for the first demonstration in Nature Neuroscience, but moving on to many different language and non-language functions.