MODULATION OF FUNCTION AND GATED LEARNING IN A NETWORK MEMORY

被引:12
作者
ABBOTT, LF [1 ]
机构
[1] BRANDEIS UNIV,CTR COMPLEX SYST,WALTHAM,MA 02254
关键词
associative memory; model neuron; neuromodulation; synaptic plasticity;
D O I
10.1073/pnas.87.23.9241
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Memory and learning are studied in a model neural network made from component cells with a variety of realistic intrinsic dynamic behaviors. Modulation of intrinsic cellular characteristics causes a network to switch between two entirely different modes of operation. In one mode the network acts as a selective, long-term associative memory, whereas in the other it is a nonselective, short-term latching memory. Such functional modulation can be used as a mechanism for initiating and terminating learning in a network associative memory.
引用
收藏
页码:9241 / 9245
页数:5
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