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- Sandberg, A., et al.
(författare)
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A working memory model based on fast Hebbian learning
- 2003
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Ingår i: Network. - 0954-898X .- 1361-6536. ; 14:4, s. 789-802
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Tidskriftsartikel (refereegranskat)abstract
- Recent models of the oculomotor delayed response task have been based on the assumption that working memory is stored as a persistent activity state (a 'bump' state). The delay activity is maintained by a finely tuned synaptic weight matrix producing a line attractor. Here we present an alternative hypothesis, that fast Hebbian synaptic plasticity is the mechanism underlying working memory. A computational model demonstrates a working memory function that is more resistant to distractors and network inhomogeneity compared to previous models, and that is also capable of storing multiple memories.
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