Talking about how drawing engages different parts of the brain and allows the archaeologist to highlight specific aspects of the excavation that are important to the interpretive process. Archaeologists, at times create simple sketches to record spatial relationships of stratigraphic layers, features, and artifacts, or to share ideas with one another as we develop our interpretation of past events. At times, he opts to create a scientific drawing, or map, that includes scale in order to visualize and understand what he is seeing.