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Learning in Natural and Connectionist Systems : Experiments and a Model - R.Hans Phaf

Learning in Natural and Connectionist Systems

Experiments and a Model

Hardcover

Published: 31st January 1994
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Modern research in neural networks has led to powerful artificial learning systems, while recent work in the psychology of human memory has revealed much about how natural systems really learn, including the role of unconscious, implicit, memory processes. Regrettably, the two approaches typically ignore each other. This book, combining the approaches, should contribute to their mutual benefit.
New empirical work is presented showing dissociations between implicit and explicit memory performance. Recently proposed explanations for such data lead to a new connectionist learning procedure: CALM (Categorizing and Learning Module), which can learn with or without supervision, and shows practical advantages over many existing procedures. Specific experiments are simulated by a network model (ELAN) composed of CALM modules. A working memory extension to the model is also discussed that could give it symbol manipulation abilities.
The book will be of interest to memory psychologists and connectionists, as well as to cognitive scientists who in the past have tended to restrict themselves to symbolic models.

Preface
Acknowledgements
Introductionp. 1
The importance of learningp. 1
The biological role of learningp. 4
Connectionist models as learning systemsp. 9
Models and languagesp. 14
Aligning connectionist learning with natural learningp. 19
A connectionist approach to learningp. 21
The connectionist languagep. 21
Problems with connectionist modelsp. 39
CALM: Categorizing and Learning Modulep. 59
Single module simulationsp. 72
Multiple module simulationsp. 83
Discussionp. 89
Psychological constraints on learningp. 96
Attention and memory storagep. 96
Elaborative shifts during rehearsalp. 103
Attention and study-test compatibility as dissociative factorsp. 131
Divided attention and implicit and explicit memory tasksp. 167
Towards a memory model incorporating attentional effectsp. 177
A connectionist model for implicit and explicit memoryp. 180
ELAN: a family of modelsp. 180
Architecture of ELAN-1p. 182
Simulations with ELAN-1p. 187
Higher ELAN modelsp. 222
Evaluationp. 245
Comparison to other modelsp. 246
The connectionism vs. symbol-manipulation controversyp. 252
Conclusionp. 258
Referencesp. 265
Appendixp. 281
Indexp. 284
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792326854
ISBN-10: 0792326857
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 294
Published: 31st January 1994
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 2.54
Weight (kg): 1.38