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. 2013 Feb 27;33(9):4181–4191. doi: 10.1523/JNEUROSCI.4423-12.2013

Figure 3.

Figure 3.

Baseline properties of TC-EPSCs in L4 and L6. A, Sample traces of light-evoked TC-EPSCs in L4 and L6 neurons using different light intensities. Left, 0.2 mW/mm2; right, 0.3 mW/mm2. Black, L4; gray, L6. B, Input/output curves for TC-EPSCs in L4 (black) and L6 (gray). C, Representative traces of TC-EPSC dynamics in response to repetitive stimulation at different frequencies. Left column, TC-EPSC1 and 2 in a train of stimuli (at 3, 5 Hz, and 10 Hz) evoked by 1 ms light pulses—0.3 mW/mm2 light intensity in L4 (black) and L6 (gray). Right column, TC-EPSC1 and TC-EPSC3 of a train of stimuli (at 3, 5, and 10 Hz) in L4 (black) and L6 (gray). Dashes indicate that the trace was cut to show only the indicated TC-EPSCs. Light intensity, 0.3 mW/mm2 for L4 and L6. D, Top, Plot of average PPR versus frequency of stimulation. Bottom, Average TC-EPSC3/TC-EPSC1 ratio versus the frequency of stimulation. For both plots, light intensity: 0.3 mW/mm2; black, L4; gray, L6. Data are presented as mean ± SE, asterisks indicate significant differences.