Our imagination reveals our experience of ourselves and our world. The late philosopher of science and poetry Gaston Bachelard introduced the notion that each image that comes to mind spontaneously is a visual representation of the cognitive and affective pattern that is moving us at the time - often unconsciously. When such a mental image inspires a picture or text, it evokes in the mind of the reader or beholder a replication of the internal pattern that originally inspired the artist or writer. Thus mental images are rarely empty phantasies. Whereas intellectual concepts are conscious...