1. To cognize is to categorize:
from the ‘blooming, buzzing confusion’ to the ‘cognitive commons’
Stevan Harnad
Canada Research Chair in Cognitive Science
Université du Québec à Montréal
&
Professor of Web Science
University of Southampton
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2. From Glossogony to Google or From Communication to the Cognitive Commons
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3. What is Categorization?
Doing the right thing with the right KIND of thing
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5. Categorical Perception (CP)
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6. Texture category learning: ERP Studies
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7. Learned Categorical Perception (CP)
Pevtzow, R. & Harnad, S. (1997)
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9. Prior neural net studies
Tijsseling & Harnad (1997)
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10. Hearsay: A New Way To Acquire Categories
Cangelosi & Harnad (2002)
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11. “TOADSTOOL” = “MUSHROOM” + “STRIPES”
Acquiring categories by theft (instruction) vs toil (instruction): The birth of the Category Commons
“TOADSTOOL” = “MUSHROOM” + “STRIPES”
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12. Acquiring categories by theft (instruction) vs toil (instruction): Category theft is a victimless crime
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13. Chinese-Chinese Dictionary & the symbol grounding problem
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14. Nets in our heads: The mental lexicon
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15. Toy dictionary represented as graph
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16. Some words are not used in any definition.
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17. They can be removed
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19. This process is recursive.
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21. Till no other word can be removed
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22. “Grounding Kernel” (GK) of dictionary
Resulting subgraph is
“Grounding Kernel” (GK) of dictionary
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24. Summary for compressed real dictionary
500 words +
Boole
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25. Our Cognitive Commons
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26. Our Category Commons
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27. Thank You
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