An image displaying apparatus divides 1 frame into plural sub-frame periods, and modifies the image signals in which a region denoted by an image signal α or an image signal close to the image signal α and a region of another image signal β or an image signal close to the image signal β are adjacent to each other. The image displaying apparatus carries out display, in at least one sub-frames period A, with a modified image signal so that the difference with the image signal of the other region becomes smaller, and in at least one other sub-frames period B, with a modified image signal so that the difference with the image signal of the other region becomes more significant, in the vicinity of the boundary between the region of the image signal α and the region of the image signal β.