Imagery involves concrete sensory representations of ideas, feelings, and objects.
Involves recall and mental manipulation of sensory images, including sight, smell, taste, and tactile sensations. An eye camera can track the movements of the eyes relative to the ad being watched or read. Most popular technique for evaluating the attention-attracting power of print ads. Respondents are shown ads from magazine issues they have recently read. Changes in the size of the pupil of the eye appear to be related to the amount of attention that a person is giving a message.