This volume contains selected papers from the 10th Interdisciplinary Workshop in Informatics and Psychology which had as its theme Cognitive Aspects in Visual Languages and Interfaces. Visual languages in general, visual programming languages in particular, and graphical or visual user interfaces are increasingly regarded as important improvements for the interaction between people and artifacts. Visual and graphical user interfaces have already a history of a number of years in terms of research and development. The focus on visual languages and visual programming languages, however, is more...