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This model has 2D neurons, which can represent 2D features by persistent activity in working memory.
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The model needs some fine-tuning on parameters to produce binding error. I am tired of tuning parameters and just give up.
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Thank Da-Hui Wang@BNU for instruction, thank Mengya Zhang@BNU for technical support.
For more information, please see:
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Compte, A., Brunel, N., Goldman-Rakic, P. S., & Wang, X. J. (2000). Synaptic mechanisms and network dynamics underlying spatial working memory in a cortical network model. Cerebral cortex, 10(9), 910-923.
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Gerstner, W., Kistler, W. M., Naud, R., & Paninski, L. (2014). Neuronal dynamics: From single neurons to networks and models of cognition. Cambridge University Press.
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Wei, Z., Wang, X. J., & Wang, D. H. (2012). From distributed resources to limited slots in multiple-item working memory: a spiking network model with normalization. Journal of Neuroscience, 32(33), 11228-11240.