What does she imagine she sees in the wallpaper? What do these images represent?

The narrator untangles its wallpaper's chaotic pattern and locates the figure of a woman struggling to break free from the bars in the pattern. Over time, as her insanity deepens, she identifies completely with this woman and believes that she, too, is trapped within the wallpaper. When she tears down the wallpaper over her last couple of nights, she believes that she has finally broken out of the wallpaper within which John has imprisoned her. The wallpaper's yellow color has many possible associations - with jaundiced sickness, with discriminated-against minorities of the time (especially the Chinese), and with the rigid oppression of masculine sunlight. By tearing it down, the narrator emerges from the wallpaper and asserts her own identity, albeit a somewhat confused, insane one. Though she must crawl around the room, as the woman in the wallpaper crawls around, this "creeping" is the first stage in a feminist uprising.