Visualisation :: Rules of visual perception
Retinal variables were introduced by Bertin about 40 years ago. They capture the discriminability of data encoded with different retinal variables (colors, shapes, sizes).
Data encoded with retinal variables are easier to discriminate because they can be processed pre-attentively.
Attention and Visual Memory in Visualization and Computer Graphics (pdf, academic article)
The science behind data visualisation
CS 171 - Visualization (course slides, Harvard School of Engineering)
Data Visualization for Human Perception by Stephen Few
Graphical perception – learn the fundamentals first, by flowing data
Design Principles: Visual Perception And The Principles Of Gestalt by Smashing Magazine
Abrupt vs Smooth transitions in spatial visualisations
Aesthetics of Information Visualization (pdf, academic article)