Attributes of Visual Perception
Pre-attentive Visual Attributes
Pre-attentive processing is a term that describes how people respond to visuals as a result of visual hierarchy. Pre-attentive processing, visual perception that occurs below the level of consciousness, should be used when designing charts.
Colin Ware, author of Information Visualization: Perception for Design, has described 17 pre-attentive attributes of visual perception, which can be organized into four categories. These are color, form, position, and motion. ...
