In postmodern theories of history,theorists of historical poetics,either through Derrida s concept of play of signs or through Foucault s idea of discursive formation ,can never avoid the problem of representational crisis and theoretical blindness.

Thus from the point of Representation,the roots of the theoretical controversy and problematic essential about the narrating crises of anthropology is reflected while the anthropological theory is developed from modernism to postmode.

Reseponses of mechanoreceptive afferent units and mechanical characterization;

The article discusses the representation mechanisms of implicit learning of sequence knowledge by testing the effects of aging.