Effect of K
on MS neuron spiking. (A) Presence of KIR progressively decreased spike probability with randomness for distal inputs (probability = 0.2 for fully random inputs), while, in their absence, probability was always 1. Proximal inputs, synchronized or unsynchronized, and synchronized distal inputs showed spike probability ~ = 1 irrespective of the presence or absence of KIR. (B) In presence of KIR, the number of spikes decreased with input randomness, while it first increased and then decreased, in their absence (C).