forehead. Once one plausible feature is found, examine the surrounding area to determine whether nearby shapes support the rest of a face. Recognition often begins with a small clue and expands outward rather than appearing as an entire figure simultaneously.
Different viewers may therefore discover the same hidden image through different starting points. One person might first recognize an eye. Another might notice the curve suggesting a forehead. Someone else could see the nose or the general silhouette before identifying individual features. These different routes demonstrate that visual recognition does
