Versatile networks of simulated spiking neurons displaying winner-take-all behavior.
Versatile networks of simulated spiking neurons displaying winner-take-all behavior.
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DOI:
10.3389/fncom.2013.00016
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发表时间:
2013
影响因子:
3.2
通讯作者:
Edelman GM
中科院分区:
文献类型:
--
作者:
Chen Y;McKinstry JL;Edelman GM
We describe simulations of large-scale networks of excitatory and inhibitory spiking neurons that can generate dynamically stable winner-take-all (WTA) behavior. The network connectivity is a variant of center-surround architecture that we call center-annular-surround (CAS). In this architecture each neuron is excited by nearby neighbors and inhibited by more distant neighbors in an annular-surround region. The neural units of these networks simulate conductance-based spiking neurons that interact via mechanisms susceptible to both short-term synaptic plasticity and STDP. We show that such CAS networks display robust WTA behavior unlike the center-surround networks and other control architectures that we have studied. We find that a large-scale network of spiking neurons with separate populations of excitatory and inhibitory neurons can give rise to smooth maps of sensory input. In addition, we show that a humanoid brain-based-device (BBD) under the control of a spiking WTA neural network can learn to reach to target positions in its visual field, thus demonstrating the acquisition of sensorimotor coordination.
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影响因子:
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DOI:
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发表时间:
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影响因子:
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