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. Author manuscript; available in PMC: 2012 Jan 4.
Published in final edited form as: Neuron. 2007 Jun 21;54(6):949–959. doi: 10.1016/j.neuron.2007.06.002

Figure 5. PTP at PF synapses is expressed presynaptically.

Figure 5

The magnitude of PTP (A, C) and changes in paired-pulse ratio (EPSC2/EPSC1) during PTP (B, C) were determined following PF bursts (10 stimuli at 50 Hz). (A) Summary of magnitude of PTP, with responses normalized to EPSC1 of the burst (n = 9 PCs, n = 14 GCs). (B) Changes in PPR, for the same data set shown in (A).Values are normalized to PPR at time t = 0 s. Representative experiments (C) are shown for synapses onto PCs (black) and GCs (red).