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. Author manuscript; available in PMC: 2012 May 16.
Published in final edited form as: J Neurosci. 2011 Nov 16;31(46):16757–16769. doi: 10.1523/JNEUROSCI.2628-11.2011

Figure 4.

Figure 4

Intrinsic electrophysiological properties of NPY-NGF interneurons. A. Whole cell current clamp recording of responses to negative and positive current pulses in an NPY-NGF interneuron reveal a marked inward rectification at depolarized potentials (insert). Note the very low input resistance and the very hyperpolarized resting membrane potential compared with NPY-PLTS interneurons. There is little spike frequency adaptation in the regular firing evoked by depolarizing current pulses. Note the large amplitude spike AHP. B. NPY-NGF interneurons did not exhibit spontaneous activity but depolarizing current injection evoked regular, non-adapting spiking.