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Design of Self-Organizing Learning Array for Intelligent Machines. Janusz Starzyk School of Electrical Engineering and Computer Science Heidi Meeting June 3 2005. Motivation: How a new understanding of the brain will lead to the creation of truly intelligent machines
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School of Electrical Engineering and Computer Science
Heidi Meeting June 3 2005
How a new understanding of the brain will lead
to the creation of truly intelligent machines
from J. Hawkins “On Intelligence”
from Rolf Pfeifer “Understanding of Intelligence”
complete agent principle
parallel, loosely coupled processes
–interaction with environment
14 Years Old
6 Years Old
Neuron Structure and Self-Organizing Principles
“The basic unit of cortical operation is the minicolumn… It contains of the order of 80-100 neurons except in the primate striate cortex, where the number is more than doubled. The minicolumn measures of the order of 40-50 m in transverse diameter, separated from adjacent minicolumns by vertical, cell-sparse zones … The minicolumn is produced by the iterative division of a small number of progenitor cells in the neuroepithelium.” (Mountcastle, p. 2)
Stain of cortex in planum temporale.
Groupings of minicolumns seem to form the physiologically observed functional columns. Best known example is orientation columns in V1.
They are significantly bigger than minicolumns, typically around 0.3-0.5 mm and have 4000-8000 neurons
“Cortical columns are formed by the binding together of many minicolumns by common input and short range horizontal connections. … The number of minicolumns per column varies … between 50 and 80. Long range intracortical projections link columns with similar functional properties.” (p. 3)
The brain is sparsely connected.
(Unlike most neural nets.)
A neuron in cortex may have on the order of 100,000 synapses. There are more than 1010 neurons in the brain. Fractional connectivity is very low: 0.001%.
Our approximation makes extensive use of local connections for computation.
VIRTEX XCV 1000
Initial wiring and final wiring selection for credit card
Sensory Neurons Interactions
Sensory Neurons Functions