Visual Reflections: A Perceptual Deficit and Its Implications

47, Oxford Psychology
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I. Introduction and Principal Empirical Findings; 1. Introduction; 2. Case History and Initial Findings; 3. Impaired Processing of Visual Location and Orientation Information; 4. Intact Processing of Non-Visual Location and Orientation Information; 5. Spelling and the Visual Deficit; 6. The Nature of the Deficit: Initial Conclusions; 7. Effects of Visual Variables; 8. A Paradox; 9. Does AH's Deficit Affect Her Reading?; 10. How Does AH Succeed at Reading?; 11. Related Cases; II. Theoretical Issues and Implications; 12. Spatial Representations and Frames of Reference: Theoretical Foundations; 13. Location Representations and Frames of Reference: Evidence from AH; 14. Orientation Representations and Frames of Reference: The COR Hypothesis; 15. Orientation Representations: Empirical Evidence; 16. Visual Subsystems; 17. Mental Imagery and the Visual System; 18. Visual Updating and Visual Awareness; 19. Conclusion; References; Notes; Index
How much can we learn about normal visual perception and cognition from a malfunctioning visual system? Quite a lot, as Michael McCloskey makes abundantly clear in this book. McCloskey presents his work with AH, a college student who has an extraordinary deficit in visual perception. When AH looks at an object, she sees it clearly and identifies it readily; yet she is often dramatically mistaken about where the object is or how it is oriented. For example, she
may reach out to grasp an object that she sees on her left, but miss it completely because it is actually on her right; or she may see an arrow pointing up when it is really pointing down. AH's errors, together with many other clues, lead McCloskey to some very interesting conclusions about how we
perceive the world. He develops theoretical claims about visual subsystems, the nature of visual location and orientation representations, attention and spatial representations, the role of the visual system in mental imagery, and the levels of the visual system implicated in awareness. Visual Reflections makes a fascinating and compelling case that we can often learn more about a process when it goes awry than when it functions flawlessly.
Autor: Michael McCloskey
Michael McCloskey is Professor of Cognitive Science at Johns Hopkins University. His research focuses on mental representation and computation in visual-spatial cognition and lexical processing. He studies cognitive deficits in children and adults with brain damage or learning disabilities, with the aim of gaining insight into normal cognitive representations and processes, and how they are disrupted when the brain is damaged or fails to develop normally. Hereceived his Ph.D. in Cognitive Psychology from Princeton University.

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Autor: Michael McCloskey
ISBN-13 :: 9780195168693
ISBN: 0195168690
Erscheinungsjahr: 01.04.2009
Gewicht: 612g
Seiten: 311
Sprache: Englisch
Sonstiges: Buch, 234x157x23 mm
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