A device and system and a method for selecting and displaying images in accordance with attention responses of an image viewer. An image capture device captures a viewer image of a spatial region potentially containing a viewer of the image display device and a viewer detection mechanism analyzes the viewer image and determines whether a potential viewer is observing the display screen. A gaze pattern analysis mechanism identifies a viewer response to a currently displayed image by analysis of the viewer's emotional response as revealed by the viewer's facial expression and other sensory inputs, and the selection of an image to be displayed is then modified in accordance with the indicated viewer's attention response.