The Hegemony of Representation

Two semesters ago, whilst reading an article on unofficial Soviet art, I encountered the quite useful term -- a hegemony of representation. I can't remember the technical definition, so here's how I internalized the term: what you get when one ideology or model dominates discussion and dicourse to the point of excluding all other models. By creating and maintaining a hegemony of representation, one group within society can effectively oppressive minority groups whose lives and realities are not reflected by the dominant paradigm. Pretty much a common sensical no brainer. But a useful concept when you want to analyze political function.