Spike-Timing Neuronal Modelling Of Forgetting In Immediate Serial Recall
2015 International Joint Conference on Neural Networks (IJCNN)(2015)
摘要
Three major and often contradicting hypotheses regarding forgetting in instant sequential recall include the Time-based decay, Temporal distinctiveness and Interference. Here we will explore these hypotheses using the Spike-timing theory of working memory. We represent memory traces as spatiotemporal patterns of spikes called polychronous groups which behave according to short-term and long-term synaptic dynamics. In spite of their contradictions, we show that all three forgetting hypotheses can co-exist - yet each one can have a different degree of influence in the process of forgetting with interference having an immediate impact.
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关键词
spike-timing neuronal modelling,immediate serial recall,instant sequential recall,time-based decay,temporal distinctiveness,temporal interference,spike-timing theory,working memory,polychronous groups,spatio-temporal patterns,long-term synaptic dynamics,short-term synaptic dynamics,forgetting hypotheses
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