POWER 67 the name for a school or movement. With reference to literature and culture, 'postmodernism' is often taken to refer to any work of art which knowingly refers to its own status as a work of art, or which otherwise, from the position as elite art form, jokingly addresses the status of the art object through construction from or reference to popular culture, thereby collapsing distinctions between high and low. However, certain theorists of the postmodern, such as Fredric Jameson, Jean-François Lyotard and Teresa Ebert find the problematic of defining postmodernism a question of its being a product of particular political overdetermina-tions, which serve to produce postmodernism's often appar-ently contradictory meanings, and whereby the postmodern condition is fundamentally misrecognised in aesthetic terms. The meaning or identity of the postmodern is understood, then, as a self-conscious aesthetic component of its constitu-tion, rather than as a political effect of late-twentieth-century global capitalism. There is therefore a shift in definition from the formalist aesthetic radicalism perceived by William Spa-nos, for example, to a more politically or ideologically comprehended aspect to what we call postmodernism. Postmodernity—Term referring to the era, state of being or literary arts associated with postmodernism. Jean-François Lyotard defines postmodernity as being marked by a suspi-cion of grand narratives. The idea of a postmodern era is also one provisionally defined by the advent of tele-technologies, the emergence of globalisation and post-industrial society, and the power of the image and simulacrum within con-sumer culture, where images such as the Coke or Nike logos assume greater significance in themselves than any real product or reality to which they might refer. Power—In the work of Michel Foucault, power constitutes one of the three axes constitutive of subjectification, the other two being ethics and truth. For Foucault, power implies know-ledge, and vice versa. However, power is causal, it is con-stitutive of knowledge, even while knowledge is, concomitantly, constitutive of power: knowledge gives one
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