A nonlinear dynamic artificial neural network model of memory

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• 作者：Sylvain Chartier ; Patrice Renaud ; Mounir Boukadoum
• 关键词：Chaos theory ; Cognitive science ; Connectionism ; Mathematical modeling ; Neural networks
• 刊名：New Ideas in Psychology
• 出版年：2008
• 出版时间：August 2008
• 年：2008
• 卷：26
• 期：2
• 页码：252-277
• 全文大小：1950 K

文摘

Nonlinearity and dynamics in psychology are found in various domains such as neuroscience, cognitive science, human development, etc. However, the models that have been proposed are mostly of a computational nature and ignore dynamics. In those models that do include dynamic properties, only fixed points are used to store and retrieve information, leaving many principles of nonlinear dynamic systems (NDS) aside; for instance, chaos is often perceived as a nuisance. This paper considers a nonlinear dynamic artificial neural network (NDANN) that implements NDS principles while also complying with general neuroscience constraints. After a theoretical presentation, simulation results will show that the model can exhibit multi-valued, fixed-point, region-constrained attractors and aperiodic (including chaotic) behaviors. Because the capabilities of NDANN include the modeling of spatiotemporal chaotic activities, it may be an efficient tool to help bridge the gap between biological memory neural models and behavioral memory models.