Fig. 4: The spatiotemporal distinction function of the artificial system.
a The integration of multiple spatiotemporal correlated tactile sensory stimuli of the skins. b The artificial system consists of multiple sensors and multi-gate synaptic transistors which are capable of spatiotemporal distinction. c, d are the schematic and photos of the multi-gate synaptic transistors. e The transfer characteristic curve (Id–Vg) of the synaptic transistors with different gate distances. f The EPSC response of the multi-gate terminals synaptic transistors in the artificial system when the multiple sensors are applied the same pressure. g The spatial information integration functions of the artificial system. A weight was used to stimulate the flexible sensors and the sensors were connected to different gate terminals of the artificial synaptic device using the oscillator. The information integration from two different gates results in a change in the EPSC amplitude, which can emulate spatial information integration correlated outputs.
