The Visual World Of Shadows

How the perception of shadows, studied by vision scientists and visual artists, reveals the inner workings of the visual system. In The Visual World of Shadows, Roberto Casati and Patrick Cavanagh examine how the perception of shadows, as studied by vision scientists and visual artists, reveals the inner workings of the visual system. Shadows are at once a massive problem for vision—which must distinguish them from objects or material features of objects—and a resource, signaling the presence, location, shape, and size of objects. Casati and Cavanagh draw up an inventory of information retrievable from shadows, showing their amazing variety. They present an overview of the visual system, distinguishing between measurement and inference. They discuss the shadow mission, the work done by the visual brain to parse, and perhaps discard, the information from shadows; shadow ownership, the association of a shadow with the object that casts it; shadow labeling, the visual system's ability to tell shadows from nonshadows; and the shadow concept, our knowledge about shadows as a category. Casati and Cavanagh then apply the theoretical apparatus they have developed for shadows to other phenomena: illumination, reflection, and transparency. Finally, they examine the art of the shadow, paying tribute to artists' exploration of shadow, analyzing a series of artworks (reproduced in color) from a rich and fascinating art historical corpus.

How the perception of shadows, studied by vision scientists and visual artists, reveals the inner workings of the visual system. In The Visual World of Shadows, Roberto Casati and Patrick Cavanagh examine how the perception of shadows, as studied by vision scientists and visual artists, reveals the inner workings of the visual system. Shadows are at once a massive problem for vision—which must distinguish them from objects or material features of objects—and a resource, signaling the presence, location, shape, and size of objects. Casati and Cavanagh draw up an inventory of information retrievable from shadows, showing their amazing variety. They present an overview of the visual system, distinguishing between measurement and inference. They discuss the shadow mission, the work done by the visual brain to parse, and perhaps discard, the information from shadows; shadow ownership, the association of a shadow with the object that casts it; shadow labeling, the visual system's ability to tell shadows from nonshadows; and the shadow concept, our knowledge about shadows as a category. Casati and Cavanagh then apply the theoretical apparatus they have developed for shadows to other phenomena: illumination, reflection, and transparency. Finally, they examine the art of the shadow, paying tribute to artists' exploration of shadow, analyzing a series of artworks (reproduced in color) from a rich and fascinating art historical corpus.

Colours are all around us and they affect our daily lives, but what exactly are they and what is their function? A closer look at colours raises many questions: Can colour be measured? How does changing illumination affect the perception of colours? What is colour harmony? Do colours affect our emotions? Colours in the Visual World provides answers to these and other questions. It inspires the reader to discover and creatively use colour by tapping artistic knowledge and recent findings of perceptual science. Colours in the Visual World is a resource of colour facts and phenomena for students of art, design, and architecture, as well as all those interested in the world of colour. The book is based on the author’s over 20 years of experience in teaching, researching and creating with colour. Each chapter includes assignments that serve as a starting point for independent study and experimentation. A glossary helps to clarify colour concepts and terminology.

In this intriguing book, E.H. Gombrich, who was one of the world’s foremost art historians, traces how cast shadows have been depicted in Western art through the centuries. Gombrich discusses the way shadows were represented—or ignored—by artists from the Renaissance to the 17th century and then describes how Romantic, Impressionist, and Surrealist artists exploited the device of the cast shadow to enhance the illusion of realism or drama in their representations. First published to accompany an exhibition at the National Gallery, London, in 1995, it is reissued here with additional color illustrations and a new introduction by esteemed scholar Nicholas Penny. It is also now available as an enhanced eBook, with zoomable images and accompanying film footage.

In this original, wide-ranging, and endlessly thought-provoking work of popular nonfiction, a leading science writer uncovers the pervasive presence of shadows in our world. For Plato, shadows were the symbol of our limitations. For Galileo, they knocked the Earth from the center of the cosmos. They are a source of fear and a symbol of ignorance, and they loom large in art and design, mythology and folklore, physics and metaphysics, and architecture and urban planning. From shadows puppets and the psychology of shadows to the role of shadows in astronomy and the influence of shadows on the architectural profiles of our cities, Roberto Casati awakens our fascination in this tour-de-force of investigation and imagination.

Concepts embody our knowledge of the kinds of things there are in the world. Tying our past experiences to our present interactions with the environment, they enable us to recognize and understand new objects and events. Concepts are also relevant to understanding domains such as social situations, personality types, and even artistic styles. Yet like other phenomenologically simple cognitive processes such as walking or understanding speech, concept formation and use are maddeningly complex. Research since the 1970s and the decline of the "classical view" of concepts have greatly illuminated the psychology of concepts. But persistent theoretical disputes have sometimes obscured this progress. The Big Book of Concepts goes beyond those disputes to reveal the advances that have been made, focusing on the major empirical discoveries. By reviewing and evaluating research on diverse topics such as category learning, word meaning, conceptual development in infants and children, and the basic level of categorization, the book develops a much broader range of criteria than is usual for evaluating theories of concepts.

"In association with University of Washington Libraries and the Henry Art Gallery."

The cult television series Dark Shadows is fondly remembered by its fans — not least Tim Burton and Johnny Depp, who reunited to bring a stunning reimagining of the show to the big screen. Produced in close cooperation with Tim Burton and the production team, this lavish official companion to the film includes a Foreword by Depp, an Introduction by Burton and an Afterword by producer Richard D. Zanuck, alongside scores of photos, concept drawings, production designs, and interviews with the cast and crew.