Integrated Problems Radiology: Progressive Weakness

What is labeled in aqua, pink and yellow on these images? The aqua line in the central sulcus. The pink area is the precentral gyrus or primary motor cortex. The yellow area is the postcentral gyrus or primary sensory cortex. Some of the areas of white matter abnormality extend into the precentral gyrus, and there were more areas of involvement at higher levels on both sides.