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. Author manuscript; available in PMC: 2013 Jul 30.
Published in final edited form as: J Neurosci. 2013 Jan 23;33(4):1486–1497. doi: 10.1523/JNEUROSCI.4269-12.2013

Figure 7. Photostimulation of ChR2-expressing axons produces exclusively EPSCs in DMV neurons.

Figure 7

A1, DMV neuron voltage clamped at VM −79 mV (cesium chloride filled electrode). Top trace EPSC frequency (integrated rate histogram with 0.5 s bin), bottom trace original recording. Solid blue block represents the period of photostimulation. A2, Excerpt of EPSCs recorded during the early part of the after discharge. B1, Same neuron voltage clamped at VM −9 mV. Top trace illustrates the lack of change of IPSC frequency during photostimulation, bottom trace is the original recording. B2, Excerpt of the recording trace obtained during the stimulation period. C, Group data (N= 9 neurons) showing inhibitory an excitatory PSC frequency at baseline (B), during the 20Hz stimulus (S), and after full recovery (R); asterisks (P<0.0001).