Sublime

we access three conventions in our minds to help explain the meaning of the chart: • Like colors mean like items—the blue things go together. • Color saturation indicates higher and lower values—lighter colors have lower values than darker ones. • Categories are arranged and plotted from one extreme to another—we can read this in order from most to

Gideon Rubin,

Figure 3.22 Label data directly Figure 3.23 Leverage consistent color

Figure/Ground. This principle states that our mind separates the visual field into the figure (the “foreground”) and ground (the “background”). The foreground consists of those elements of a scene that are the object of our primary attention, and the background is everything else.

Preattentive attributes in graphs

the neuropsychiatrist Jon Lieff points out, “The over-arching analysis of visual signals depends

Identifying Perceptual Patterns