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Vision, more than any other sense, dominates our mental life. Our visual experience is just so rich, so detailed, that we can hardly distinguish that experience from the world itself. Even when we just think about the world and don't look at it directly, we can't help but 'imagine' what it looks like. We think of 'seeing' as being a conscious activity--we direct our eyes, we choose what we look at, we register what we are seeing. The series of events described in this book radically altered this attitude towards vision. This book describes one of the most extraordinary neurological cases of recent years--one that profoundly changed scientific views on consciousness. It is the story of Dee Fl...
Although the mechanics of how the eye works are well understood, debate still exists as to how the complex machinery of the brain interprets neural impulses supplied by the eye. In order to understand the evolution of the visual system, the authors of this work outline the function of vision.
First published in 1995, this book presents a model for understanding the visual processing underlying perception and action, proposing a broad distinction within the brain between two kinds of vision: conscious perception and unconscious 'online' vision.
In this updated and extended edition of their book, Goodale and Milner explore one of the most extraordinary neurological cases of recent years—one that profoundly changed scientific views on the visual brain. Taking us on a journey into the unconscious brain, this book is a fascinating illustration of the power of the 'unconscious' mind.
The philosophy of perception is a microcosm of the metaphysics of mind. Its central problems—What is perception? What is the nature of perceptual consciousness? How can one fit an account of perceptual experience into a broader account of the nature of the mind and the world?—are at the heart of metaphysics. Rather than try to cover all of the many strands in the philosophy of perception, this book focuses on a particular orthodoxy about the nature of visual perception. The central problem for visual science has been to explain how the brain bridges the gap between what is given to the visual system and what is actually experienced by the perceiver. The orthodox view of perception is tha...
This long-awaited work by prominent Harvard psychologist Stephen Kosslyn integrates a twenty-year research program on the nature of high-level vision and mental imagery. Image and Brain marshals insights and empirical results from computer vision, neuroscience, and cognitive science to develop a general theory of visual mental imagery, its relation to visual perception, and its implementation in the human brain. It offers a definitive resolution to the long-standing debate about the nature of the internal representation of visual mental imagery. Kosslyn reviews evidence that perception and representation are inextricably linked, and goes on to show how "quasi-pictorial" events in the brain a...
This title focuses on vision as an active process, rather than a passive activity and provides an integrated account of seeing and looking. The authors give a thorough description of basic details of the visual and oculomotor systems necessary to understand active vision.
"Analysis of Visual Behavior" encompasses both theoretical and experimental research. It deals with the visual mechanisms of diverse vertebrate species from salamanders and toads to primates and humans and presents a stimulating interaction of the disciplines of anatomy, physiology, and behavioral science. Throughout, visual mechanisms are investigated from the point of view of the brain functioning at the organismic level, as opposed to the now more prevalent focus on the molecular and cellular levels. This approach allows researchers to deal with the patterns of visually guided behavior of animals in real-life situations.The twenty-six contributions in the book are divided among three sections: "Indentification and Localization Processes in Nonmammalian Vertebrates," introduced by David J. Ingle; "Visual Guidance of Motor Patterns: The Role of Visual Cortex and the Superior Colliculus," introduced by Melvyn A. Goodale; and "Recognition and Transfer Processes," introduced by Richard J. W. Mansfield.The editors are all university researchers in psychology: David J. Ingle at Brandeis, Melvyn A. Goodale at the University of Western Ontario, and Richard J. W. Mansfield at Harvard.
Neuropsychologische Befunde legen eine Trennung des visuellen Informationsverarbeitungssystems von Primaten in zwei kortikale Pfade nahe: Ein ventraler Pfad zur (bewussten) Wahrnehmung, und ein dorsaler Pfad zur Planung und Uberwachung motorischer Handlungen. In der vorliegenden Arbeit werden zwei Aspekte eingehender untersucht: (1) Verarbeitung im dorsalen Pfad soll automatisch ablaufen, und (2) ungeubte sowie linkshandige (Greif-)Bewegungen sollen vom ventralen Pfad gesteuert werden. Dazu werden sieben Experimente berichtet, die verschiedene Greifbewegungen (zumeist) im Kontext von Doppelaufgaben untersuchen. Konsistent zeigten sich dabei zwei Befunde. Erstens waren alle Greifbewegungen anfallig fur eine parallel auszufuhrende Zweitaufgabe. Zweitens lassen sich fur ungeubte und linkshandige Greifbewegungen keine Hinweise fur eine Beteiligung des ventralen Pfades erkennen. Diese Befunde legen den Schluss nahe, dass alle Greifbewegungen durch den selben Mechanismus gesteuert werden (vermutlich durch den dorsale Pfad), und dass dieser Mechanismus Kapazitatslimitierungen unterliegt - also nicht als streng automatisch konzeptualisiert werden kann.
The Parietal Lobe, Volume 151, the latest release from the Handbook of Clinical Neurology series, provides a foundation on the neuroanatomy, neurophysiology and clinical neurology/neuropsychology of the parietal lobe that is not only applicable to both basic researchers and clinicians, but also to students and specialists who are interested in learning more about disorders brought on by damage or dysfunction. Topics encompass the evolution, anatomy, connections, and neurophysiology, the major neurological and neuropsychological deficits and syndromes caused by damage, the potential for improvement via transcranial stimulation, and the role of the parietal in the cerebral networks for percept...