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. 2008 Sep 2;6(9):e222. doi: 10.1371/journal.pbio.0060222

Figure 7. Polysynaptic Spike-to-Spike Coupling between Human Pyramidal Cells.

Figure 7

Unitary action potentials in pyramidal cell 1 (top) elicited subthreshold, monosynaptic EPSPs in the postsynaptic (Post) basket cell (middle) and late-onset action potentials riding on polysynaptic EPSPs in pyramidal cell 2 (bottom). The peak of the presynaptic (Pre) action potential is projected by a dashed line for easier comparison of mono- and polysynaptic EPSP latencies.