Completes: This is the process by which a consumer selects, organizes, and interprets stimuli into a meaningful and coherent picture of the world. It is the lowest level at which an individual can experience a sensation. Ads that appeal to touch, smell, and taste are responding to this C. Perceptual blocking element of perception. Also called just noticeable difference, it is the minimal difference that can be detected between two similar stimuli. This concept refers to the fact that consumers are able to detect a stimuli below the level of consciousness. A. Jumping to conclusions. This concept says that consumers tune out those stimuli that they find threatening. B. Absolute threshold. D. Halo effect. E. Premier. F. Grouping. G. Consumer perception. H. Umbrella. 1. Differential threshold. Perceptual defense.