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. Author manuscript; available in PMC: 2012 Jun 14.
Published in final edited form as: J Neurosci. 2011 Dec 14;31(50):18289–18302. doi: 10.1523/JNEUROSCI.4417-11.2011

Figure 1.

Figure 1

Action potentials propagate throughout the dendritic arbor. (A) Voltage-sensitive dye fluorescence confocal z-projection of an LGNd interneuron. Colored boxes are regions of interest for optical recordings in (B). (B) Electrical and optical signals corresponding to 3 action potentials in a train initiated by a depolarizing step at the soma. Electrical and optical signals are an average of 2 trials. Black traces are somatic electrode recordings. Colored traces are optical signals (ΔF/F) acquired at 2 kHz in the dendrite. Colored traces correspond to colored boxed regions in (A). Optical traces are normalized to peak amplitude.