Gestalt Grouping Principles

A set of principles from perceptual psychology that describe how the human visual system organizes individual elements into coherent groups and patterns. Key principles include spatial proximity (elements near each other are perceived as related), connectedness (elements joined by lines or arrows are perceived as linked), alignment (elements arranged along a common axis are perceived as grouped), and containment (elements enclosed within a boundary are perceived as belonging together). In data visualization and diagram design, Gestalt principles are fundamental to how graphical representations communicate relationships between elements. For accessibility, these principles are important because screen reader systems must find ways to convey the same structural relationships that sighted users perceive automatically through visual grouping.