Figure 1
From: Evaluation of TV commercials using neurophysiological responses

Method to present each stimuli. Process to present visual stimuli. For fixation, a white cross on black background appear on the screen for 3 s. Top three pictures on right side are samples of video used to induce responses of (a) neutral, (b) happiness, and (c) surprise. (d) Last image shows a game to maintain the attention of participants.