Figure 3From: Impacts of selected stimulation patterns on the perception threshold in electrocutaneous stimulationIllustration of the four types of stimulation patterns. Left-Top (Type 1): Single-channel, single-pulse stimulation. Left-bottom (Type 2): Dual-channel, single-pulse simultaneous stimulation. Right-Top (Type 3): Dual-channel, multi-pulse, simultaneous stimulation with n pulses. Right-Bottom (Type 4): Dual-channel, single-pulse stimulation with interleaved time t.Back to article page