Hedman’s first films that are preserved (the early production on Super-8 is lost) are graphic-rich audio-visual studies, eg. 'A Semiotic Study of Unlogic Figure Codification (1973, together with H.P. Andersson) and Aforism (1974). These two, as well as most of Hedman’s films, were made with the support of Filmverkstan. Hedman also came to assist several animators at Filmverkstan, among others. Lilian Domec in her early animation Höghuset. (Filmform)