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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Brain Stimul. 2009 Oct 1;2(4):215–228. doi: 10.1016/j.brs.2009.03.007

Figure 1.

Figure 1

Sub-threshold electric fields polarize cortical neuronal soma linearly. A, Example morphological reconstruction of a L5 pyramidal neuron (black), and L5 fast-spiking interneuron (red) B, Incrementing electric field steps of 5.8 mV/mm (bottom) linearly polarize cell soma (top). Reconstructions shown are from L5 regular spiking pyramidal neuron of A (top). C, Summary of the polarization per electric field for the neurons shown in A. The slope of the fitted line determines the sub-threshold field polarization sensitivity for each neuron. LV pyramidal neuron (black) = .27 mV*(mV/mm)−1, LV fast-spiking interneuron (red) = −.02 mV*(mV/mm)−1.