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Learning temporal sequences in recurrent self-organising neural nets
conference contributionposted on 1997-01-01, 00:00 authored by G Briscoe, Terry CaelliTerry Caelli
The learning of temporal sequences is an extremely important component of human and animal behaviour. As well as the motor control involved in routine behaviour such as walking, running, talking, tool use and so on, humans have an apparently remarkable capacity for learning (and subsequently reproducing) temporal sequences. A new connectionist model of temporal sequence learning is described which is based on recurrent self-organising maps. The model is shown to be both powerful and robust, and to exhibit a strong generalisation effect not found in simple recurrent networks (SRN). The model combines two important developments in artificial neural networks; recursion and self-organising maps (SOM). Both are found in the primate cortex; topological maps appear to be ubiquitous in the cerebral cortex of higher animals, especially in the primary sensory areas, and the neuroanatomy of the cortex also reveals numerous and consistent recurrent linkages between regions.