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. Author manuscript; available in PMC: 2009 Aug 26.
Published in final edited form as: Neuroscience. 2008 Jun 19;155(3):923–936. doi: 10.1016/j.neuroscience.2008.06.031

Figure 4.

Figure 4

Response latency jitter of IC neurons showing the typical hyperpolarization-depolarization(spike)-hyperpolarization response pattern. A, Superposition of intracellular response traces from a representative IC neuron to the same FM sweep presented 4 times. B, magnified view of 4 superimposed hyperpolarizations. Measurements of hyperpolarization jitter were made at a point where an hyperpolarization crosses the lines defining the 95% confidence limits, shown by solid horizontal lines (see method section for further details). C, magnified view of 4 superimposed spikes. Spike jitter was determined by using the first spike latency measured at the peak of each spike. D,E distribution of latency jitter for 62 IC neurons measured for their onset hyperpolarizations (D) and the first spike latencies (E). Bin size equals 1 ms. Vrest = - 48 mV, depth of recording = 1090 μm.