Typical firing patterns observed in rats (A–C) and primates (D–F).

Left panel: autocorrelation using a time window of ±1 s, middle panel: autocorrelation with x-axis expanded to ±0.1 s, right panel: spike train of the example neuron. A: example of HFP neuron exhibiting tonic Poisson firing without pauses. B: HFP neuron displaying pauses (pauser). C: LFB neuron (burster). D–F: same type of neurons as in A–C but in primates.