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    NETWORK OPTIMIZATION IN THE BRAIN [II, 2000]: Cerebral Cortex Layout

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    CS-TR-4525.pdf (1.736Mb)
    No. of downloads: 446

    Date
    2003-09-25
    Author
    Cherniak, Christopher
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    Abstract
    The hypothesis is that longrange connections in the brain are a critically constrained resource, hence there is strong selective pressure to optimize finely their deployment, to "minimize wire." Two methodological ideas are introduced: (1) Because of unfeasibility of measuring wirelengths in the cortex, a simpler adjacency-cost was validated. (2) To deal with incomplete information on brain networks, a Size Law was developed that predicts optimization patterns in subnetworks. Sensory areas of macaque and of cat cortex appear to be positioned to minimize connection costs, in some cases down to current limits of detectability. These optimization results begin to approach some of the most precise confirmed predictions in neuroscience. [ MH49867 2/00 68.3 ] (UMIACS-TR-2003-93)
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    http://hdl.handle.net/1903/1311
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