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Advances in the Modularity of Vision Selections From a Symposium on Frontiers of Visual Science (1990) / Chapter Skim
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Introduction
Pages 1-4

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From page 1...
... Taken together, these presentations critically explore the idea that the processing of visual information is carried out in different visual areas of the brain. This idea has been fostered, in part, by exciting developments in the technology for studying the brain as well as by new ways of thinking about the brain as a sophisticated device for computing.
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From page 2...
... ~ ~ , ~ Lesion experiments by the David Ferrier in England demonstrated specific behavioral deficits produced by carefully placed, localized lesions. At more or less the same time, anatomists were beginning to subdivide the brain into histologically distinct areas; probably the most famous of these brain cartographers was Korbinian Brodmann, whose areas are still part of the neuroanatomical landscape.
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From page 3...
... The idea of a strict serial or hierarchical mode of visual signal processing was most explicitly stated in the early papers of Hubel and Wiesel, though it has remained an idea of contemporary appeal since that time. The idea, in its simplest form, is that visual properties of neurons- the receptive fields are built up at each level by convergence of neural information from the previous stage of the visual pathway.
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From page 4...
... Perhaps the boldest expression of this hypothesis of parallel processing was presented initially by Jonathan Stone and Bogdan Dreyer in their work on the visual receptive field properties of neurons in primary visual cortex. The frontier of vision science represented here today has revealed that neither an extreme serial nor an extreme parallel view is sufficient to account for the way our brains are wired.
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Key Terms

  • cerebral cortex
  • receptive fields
  • visual information
  • field properties
  • striate cortex

  • parallel processing
  • strict serial
  • information processing
  • visual cortex
  • multiple maps

  • broad functional
  • primary visual
  • independent lines
  • current developments
  • extra striate

  • closer glimpse
  • functional categories
  • processing refers
  • specific functional
  • demonstrated specific

  • prizewinning work
  • specialized sensory
  • specialized machinery
  • brain consists
  • pioneering experiments

  • machinery housed
  • world inside
  • parallel view
  • processes visual
  • bogdan dreyer


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