Recent studies have found that responses to electrical stimulations in organic semiconductors and/or electrolytes heterogeneous junctions possess features in common with neural synaptic plasticity. Thus, we explore spatial summation of short-term plasticity by using a pair of such junctions. A simple integration of parallel connection displayed frequency selectivity in the weight modification of charging peaks but not for discharging peaks. Significantly, the weight modification could be linearly summed from those of the two source devices though the absolute peak currents could not. Our system is feasible for synaptic computation including spatial summation and direction selectivity in artificial neural network.
Conference Committee Involvement (3)
Hybrid Memory Devices and Printed Circuits 2017
10 August 2017 | San Diego, California, United States
Printed Memory and Circuits II
1 September 2016 | San Diego, California, United States
Printed Memory and Circuits
11 August 2015 | San Diego, California, United States
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