The top isn't a mess of food. This is largely dependent on what you cook. Fish skin sometimes gets cooked on, glaze bubbles and chars, oil lights on fire and the top surface chars. Something like shrimp, tomato, or sausage will be fairly clean though, and nothing will cook on to the top.
Impairment of language, usually caused by left hemisphere damage either to Broca's area (impairment speaking) or Wernicke's area (impairing understanding, damage in rear parietal/temporal region in the left hemisphere)
The left hemisphere is largely responsible for language. The right hemisphere is important for interpreting visual cues and spatial processing. The cerebrum controls coordination, temperature, sight, sound, reasoning, learning, and emotions. The space between the two hemispheres is called the great longitudinal fissure. The corpus callosum connects the two sides and transfers signals from one side of the brain to the other. The cerebrum has billions of neurons and glia that form the cerebral cortex, its outermost layer.