She participated in the exhibition Public Eye at Kunsthaus in Hamburg in 1968. From the late 1970s, she devoted herself increasingly to her profession as a psychotherapist. The gallery Ynglingagatan 1 in Stockholm exhibited her work in 1995. Ulla Wiggen is represented in the Moderna Museet collection by the paintings Simultaneous Interpretation (1965) and TRASK (1967). The latter was acquired at her first exhibition in 1968 and was shown in 2012 as part of Ghosts in the Machine at the New Museum in New York, curated by Massimilano Gioni.
Moderna Museet Essä
Om Ulla Wiggen, a dialogue between the critics Peter Cornell and Frans Josef Petersson, with an in-depth contextualisation and discussion of her oeuvre, is published in the series Moderna Museet Essä in conjunction with the exhibition.