Louis Althusser (1918-1990) builds on the work of Jacques Lacan to understand the way ideology functions in society. He thus moves away from the earlier Marxist understanding of ideology. In the earlier model, ideology was believed to create what was termed "false consciousness", a false understanding of the way the world functioned. Althusser explains that for Marx "Ideology is [...] thought as an imaginary construction whose status is exactly like the theoretical status of the dream among writers before Freud. For those writers, the dream was the purely imaginary, i.e. null, result of the 'day's residues" (1971:108). Althusser, by contrast, approximates ideology to Lacan's understanding of reality, the world we construct around us after o...