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. Author manuscript; available in PMC: 2013 Sep 6.
Published in final edited form as: Neuroscience. 2012 Jun 1;219:92–110. doi: 10.1016/j.neuroscience.2012.05.059

Figure 7. Convergence of perturbed spiking back to the control spike pattern takes many spike cycles.

Figure 7

A. The proportion of trials that remained unconverged (having not drawn within 0.5 ms of spike times in the control spike train) over successive spike cycles for somatic stimuli with each synaptic background. Note that the progress of convergence was similar for synaptic backgrounds of the same gain (circled) independent of output spike frequency (indicated by color). B. Convergence following distal dendritic stimulation was faster than for somatic stimulation and was also dependent on the gain of the synaptic background. Note that convergence following distal dendritic perturbation also reflected a strong dependence on spike frequency (circles). C. Convergence following distal dendritic stimulation of the GPNDSK model showed dramatically reduced dependence on spike frequency and resembled convergence following somatic stimulation of GPbase.