In the 1940s, Colquhoun's works were experiments to explore consciousness and the subconscious. She did this by using recognised methods such as decalcomania, fumage, frottage and collage. Colquhoun went further, developing new techniques such as superautomatism, stillomanay, parsemage, and entoptic graphomania writing about them in her article The mantic stain.
Three works which stand out during the 1940s are The Pine Family, which deals with dismemberment and castration, A Visitation which shows a flat heart shape with multicoloured beams of light and Dreaming Leaps, a homage to Sonia Araquistain.Colquhoun did not define herself as a Surrealist artist, as she only too part in a single Surrealist exhibit. Instead she considered herself "independent"Wikipedia