The measures of the painting are the same as an actual window in the Ullevål hospital, warden for closed psychiatry. A photo of the view from the window is used as the base for the work's composition.

Science of perception uses the term distal stimuli for objects and events out in the world about you. Distal means "situated away from the point of attachment". This series deals with the inaccessibility of reality and, at the same time, our interdependency with it.

Sign is a compilation of works that more or less vaguely resemble phenomena in reality. They do not represent specific things or places but utilise how perception is always searching for particular shapes related to different categories in the language of the mind.