Original sentence: In other words, when an object looms, there is an automatic physiological response to perceive the object as an approaching stimulus, instead of a stimulus that is stationary or recessing.Looming refers to the rapid expansion in the size of any given object, so that its image becomes increasingly large on the perceiver's retina
Edited sentence: "  Psychological Monographs, 1965, 79 Whole #604." Perception of impending collision; a study of visually directed avoidant behavior." Science, 1962, 136, 982-983."Persistent fear responses in rhesus monkeys to the optical stimulus of 'looming'., & Gibson, J., Caviness, J., when an object looms, there is an automatic physiological response to perceive the object as an approaching object or surface, instead of one that is stationary or receding.As the image becomes increasingly large on the perceiver's retina, i.Looming refers to the rapid expansion in the size of any given image.References: Schiff, W.Schiff, W