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Recovery
from Early Blindness  R. L. Gregory and Jean G. Wallace. A case study of a man effectively blind from birth who regained sight following corneal graft when he was over 50 years of age. |
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Locking and the Café Wall Illusion Richard L Gregory, Priscilla Heard Results of experiments with the Café Wall illusion. |
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Visual
dissociations of movement, position and stereo depth: |
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| Perceptual
illusions and brain models Richard L Gregory This paper develops the notion of perceptual hypotheses and also raises questions concerning the distinction to be made between 'analogue' and 'digital' in the context of the brain. |
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| Knowledge
in Perception and Illusion Richard L Gregory Visual perceptions are regarded as similar to predictive hypotheses of science, but are psychologically projected into external space and accepted as our most immediate reality. Visual illusions can provide evidence of object knowledge and working rules for vision, but only when the phenomena are explained and classified. A tentative classification is presented, in terms of appearances and kinds of causes. |
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| Brainy
Mind Richard L Gregory Perceptions are predictive hypotheses, based on knowledge stored from the past. As perceptions may be 90% memory, how is the present moment distinguished from memory and anticipation? |
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| Perceptual
filling in of artificially induced scotomas in human vision V. S. Ramachandran & R. L Gregory Perceptual 'filling in' is an active visual process that probably involves creating an actual neural representation of the surround rather than merely ignoring the absence of information. |
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| A
technique for minimising the effects of atmospheric disturbance on photographic telescopes Richard L Gregory The development of a telescope camera for getting improved pictures of the moon, the planets and the stars. |
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| The
curious eye of Copilia R. L. Gregory, H. E. Ross and N. Moray Copilia, a copepod living in the bay of Naples, has a curious eye - possibly a single channel scanning eye. |
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| The effect of touch on a visually ambiguous three-dimensional figure Richard L Gregory |
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Hands-On Science Richard L Gregory, Written for the Vatican Pontifical Academy Of Science Conference (Casino Pio Iv, 19-21 November 2001) |
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Mirror cells in talking parrots? Richard L Gregory, Originally published in Perception |
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| Perception Editorials
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These papers appear in full as originally published. We are grateful to the Editors of the journals concerned for their permission to publish the papers on this web site.
Copyright
Please note that all papers published on this web site are strictly
copyright and must not be reproduced in any format. Unless stated
otherwise, copyright is held by Richard Gregory.
February 2006.
