Over the last few decades there has been a phenomenal growth of interest in metaphor as a device which extends or revises our perception of the world. Clive Cazeaux examines the relationship between metaphor, art and science, against the backdrop of modern European philosophy and, in particular, the work of Kant, Heidegger and Merleau-Ponty. He contextualizes recent theories of the cognitive potential of metaphor within modern European philosophy and explores the impact which the notion of cognitive metaphor has on key positions and concepts within aesthetics, epistemology and the philosophy of science.