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Electrical synapses (gap junctions)
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Time-warp-invariant neuronal processing (Gutig & Sompolinsky 2009)
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" ... Here, we report that time-warp-invariant neuronal processing can be subserved by the shunting action of synaptic conductances that automatically rescales the effective integration time of postsynaptic neurons. We propose a novel spike-based learning rule for synaptic conductances that adjusts the degree of synaptic shunting to the temporal processing requirements of a given task. Applying this general biophysical mechanism to the example of speech processing, we propose a neuronal network model for time-warp-invariant word discrimination and demonstrate its excellent performance on a standard benchmark speech-recognition task. ..."
Gutig R, Sompolinsky H (2009) Time-warp-invariant neuronal processing.
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