Fig. 2: Synaptic plasticity simulation and bending testing. | Nature Communications

Fig. 2: Synaptic plasticity simulation and bending testing.

From: Multidimensional free shape-morphing flexible neuromorphic devices with regulation at arbitrary points

Fig. 2

a Excitatory postsynaptic current (EPSC) triggered by two consecutive spikes (− 2 V, 60 ms, time interval Δt = 50 ms). b Paired-pulse facilitation (PPF) index as a function of Δt. c Short-term plasticity used for Morse code signal recognition schematic diagram and recognition results, (d), letter N, (e) letter F, (f) letter E, (g) letter L. h Spike-duration-dependent plasticity behaviour of SMCD under different spikes duration widths from 0.035 s to 0.35 s. i Spike-number-dependent plasticity of SMCD under 5 ~ 100 consecutive identical spikes (− 2 V, 60 ms), (j) Spike-rate-dependent plasticity of SMCD from 0.89 s/spike to 14.28 s/spike. k Bending moulds with radii from 10 to 1 mm. l Optical images of SMCD during bending tests on the moulds. m EPSC response of SMCD under bending to different radii.

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