„The problems of visual perception have attracted the curiosity of scientists for many centuries. [...] Early in this century, Wertheimer (1912, 1923) noticed the apparent motion not of individual dots but of wholes, or “fields”, in images presented sequentially as in a movie. [...] This observation started the Gestalt school of psychology, which was concerned with describing the qualities of wholes by using terms like solidarity and distinctness, and with trying to formulate the “laws” that governed the creation of these wholes. The attempt failed for various reasons, and the Gestalt school dissolved into the fog of subjectivism. With the death of the school, many of its early and genuine insights were unfortunately lost to the mainstream of experimental psychology.“ (p. 8/9)