Art intervention is an interaction with a previously existing artwork, audience, venue/space or situation. It has the auspice of
conceptual art and is commonly a form of
performance art. It is associated with the
Viennese Actionists, the
Dada movement and
Neo-Dadaists. It has also been made much use of by the
Stuckists to affect perceptions of other artwork which they oppose, and as a protest against an existing intervention.