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Full Description
This book, first published in 1979, is about how we see: the environment around us (its surfaces, their layout, and their colors and textures); where we are in the environment; whether or not we are moving and, if we are, where we are going; what things are good for; how to do things (to thread a needle or drive an automobile); or why things look as they do.
The basic assumption is that vision depends on the eye which is connected to the brain. The author suggests that natural vision depends on the eyes in the head on a body supported by the ground, the brain being only the central organ of a complete visual system. When no constraints are put on the visual system, people look around, walk up to something interesting and move around it so as to see it from all sides, and go from one vista to another. That is natural vision -- and what this book is about.
Contents
Introduction to the Classic Edition by William M. Mace. Preface. Introduction. Part I: The Environment To Be Perceived.The Animal and the Environment. Medium, Substances, Surfaces. The Meaningful Environment. Part II: The Information For Visual Perception.The Relationship Between Stimulation and Stimulus Information. The Ambient Optic Array. Events and the Information for Perceiving Events. The Optical Information for Self-Perception. The Theory of Affordances. PartIII: Visual Perception.Experimental Evidence for Direct Perception: Persisting Layout. Experiments on the Perception of Motion in the World and Movement of the Self. The Discovery of the Occluding Edge and Its Implications for Perception. Looking with the Head and Eyes. Locomotion and Manipulation. The Theory of Information Pickup and Its Consequences. Part IV: Depiction. Pictures and Visual Awareness. Motion Pictures and Visual Awareness. Conclusion. Appendixes: The Principal Terms Used in Ecological Optics. The Concept of Invariants in Ecological Optics.
