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About this book
Visual Illusions examines the causes, characteristics, and applications of visual illusions, with its discussion restricted to static types rather than the complexities due to motion. The preface states that physical measurements, despite their usefulness, often differ from the results of intellectual appraisal through the visual sense. The explanation of illusion uses lines that appear equal in length despite being unequal as an example of an error in judgment.
The account of after-images says a picture-frame will be seen as a rectangular after-image and a checkered pattern as a checkered after-image. The discussion of projected after-images says that the appearance of other objects is apparently altered, especially when the observer is unaware of the after-image.
About the author
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Book facts
- Author
- Matthew Luckiesh
- Pages
- 188
- Language
- English
- Genre
- Popular Science
- Formats
- PDF, EPUB, Read online