Neurons in the cochlear nucleus (CN), the first processing center in the auditory system, show various response patterns after stimulation. Among these, chopper neurons (choppers) are outstanding because their oscillations are characterized by stable interspike intervals (ISIs) even when the stimulus amplitude changes (Pfeiffer 1966; Blackburn and Sachs 1989). Choppers are subdivided according to their coefficient of variation (CV; the ratio of the standard deviation to the mean of the ISI) into regular (CV<0.35) and irregular (CV>0.35).
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Bahmer, A., Langner, G. (2007). Simulation of Oscillating Neurons in the Cochlear Nucleus: A Possible Role for Neural Nets, Onset Cells, and Synaptic Delays. In: Kollmeier, B., et al. Hearing – From Sensory Processing to Perception. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73009-5_17
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