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Bar-Cohen : Biomimetics: Biologically Inspired Technologies DK3163_c003 Final Proof page 57 21.9.2005 11:40pm

3

Mechanization of Cognition

Robert Hecht-Nielsen

CONTENTS
3.1 Introduction ............................................................................................................................................ 58
3.1.1 Mechanized Cognition: The Most Important Piece of AI........................................................ 58
3.1.2 Lexicon Capabilities ................................................................................................................. 58
3.1.3 Discussion ................................................................................................................................. 60
3.2 Training and Education.......................................................................................................................... 61
3.2.1 Training..................................................................................................................................... 61
3.2.2 Education .................................................................................................................................. 62
3.2.3 Discussion ................................................................................................................................. 63
3.3 Language Cognition............................................................................................................................... 65
3.3.1 Phrase Completion and Sentence Continuation ....................................................................... 66
3.3.2 Language Hierarchies ............................................................................................................... 69
3.3.3 Consensus Building .................................................................................................................. 72
3.3.4 Multi-Sentence Language Units ............................................................................................... 72
3.3.5 Discussion ................................................................................................................................. 79
3.4 Sound Cognition..................................................................................................................................... 79
3.4.1 Representation of Multi-Source Soundstreams........................................................................ 80
3.4.2 Segmenting the Attended Speaker and Recognizing Words.................................................... 82
3.4.3 Discussion ................................................................................................................................. 86
3.5 Visual Cognition .................................................................................................................................... 87
3.5.1 Building an Eyeball Vision Sensor and its Gaze Controller.................................................... 87
3.5.2 Building the Primary Visual Lexicons and Knowledge Bases ................................................ 91
3.5.3 Building the Secondary and Tertiary Visual Layers................................................................ 92
3.5.4 How Is the Visual Module Used?............................................................................................. 95
3.5.5 Linking the Visual Module with the Language Module.......................................................... 96
3.6 Discussion............................................................................................................................................... 98
References......................................................................................................................................................... 98
Appendix........................................................................................................................................................... 99
3.A.1 Introduction............................................................................................................................... 99
3.A.2 Summary of the Theory.......................................................................................................... 100
3.A.3 Implementation of Lexicons................................................................................................... 102
3.A.4 Implementation of Knowledge ............................................................................................... 111
3.A.5 Implementation of Confabulation........................................................................................... 113

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