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. Author manuscript; available in PMC: 2010 May 19.
Published in final edited form as: J Physiol Paris. 2005 Nov 7;98(4-6):296–314. doi: 10.1016/j.jphysparis.2005.09.002

Fig. 1.

Fig. 1

Model for generating synchronous spike volleys in a simulated population of interneurons. (A) Spike volleys arrived at a rate of fosc volleys per second (the mean time separation between volleys was the period P = 1/fosc). (B) Spike-time probability was generated by convolving spike volley times with a Gaussian filter; its width was σIV and its area (sum of the bins) was aIVΔt. (C) Spike times were generated as a Poisson process from the spike time probability. (D) Each input spike caused an exponentially decaying inhibitory conductance pulse with a unitary conductance Δginh and a decay constant τinh. (E) Concomitant voltage fluctuations in the postsynaptic neuron.