And indeed, on the inputs to the hippocampus, cells are found which project into the hippocampus, which do respond exactly to detecting boundaries or edges at particular distances and directions from the rat or mouse as it's exploring around.
I zaista, jedan od aferentnih putova za hipokampus, stanice koje šalju projekcije u hipokampus, reagiraju upravo detektirajući granice i rubove na posebnim udaljenostima i pravcima od štakora ili miša dok istražuje uokolo.