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. 2018 Jan 29;9:417. doi: 10.1038/s41467-017-02572-3

Fig. 4.

Fig. 4

Allodynia and hyperalgesia demonstration of a memristive nociceptor. a A train of input voltage pulses composed of a variable range of pulse amplitudes from 0.2 V to 1.0 V, with a 1 ms pulse width applied on a nociceptor subjected to different set pulses (0 V as reference and 2, 3 V with a 1 ms width as injury cases) first and (b) the corresponding output currents, respectively. The maximum output currents at a different input voltage amplitudes (c) in log scale and (d) in linear scale, demonstrating the shift of the ON-switching voltage towards a lower threshold (Allodynia) and the ON current towards higher currents (Hyperalgesia)