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. 2009 Dec 9;103(2):1123–1129. doi: 10.1152/jn.00327.2009

Fig. 5.

Fig. 5.

Enhancement of DSI by 1-Hz stimulation. A: DSI was moderate in neonatal rats (P9-11) and was enhanced by low-frequency stimulation (1 Hz for 5 min). Inset: traces show eIPSCs from representative experiments. B: in the presence of 6-methyl-2-(phenylethynyl)-pyridine (MPEP), an mGluR5 antagonist, the same low-frequency stimulation procedure had no effect on DSI in neonatal rats (P10-11). Inset: traces are from the same neuron. C: summary of effect of 1-Hz stimulation on DSI magnitude in the absence and presence of MPEP. * P < 0.05, compared with the control in the absence of MPEP.