In data visualization and cognitive science, certain visual properties are "preattentive," meaning the brain processes them in less than 500 milliseconds without conscious effort:
: Defined by three properties: hue (the name, like red), value (lightness/darkness), and intensity/saturation (brightness/purity). visual property
: A mark that spans a distance between two points, which can vary in thickness, direction, and curvature. In data visualization and cognitive science, certain visual