Before revision: Treisman, who was one of Broadbent's PhD students , proposed feature integration theory, which asserted that to form a perceptual object, we must first look at its features in the preattentive stage and then bind them in the focus attention stage.
After revision: Treisman, guided by Donald Broadbent's work , proposed feature integration theory, which asserted that to form a perceptual object, we must first look at its features in the preattentive stage and then bind them in the focus attention stage.