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. 2014 Dec 4;10(12):e1003962. doi: 10.1371/journal.pcbi.1003962

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© 2014 Gjorgjieva et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A. Top: Fixed points and their stability for the dynamics of a NGS neuron with pS/µm² and pS/µm² () as a function of the input current DC. Bottom: The phase planes showing the nullclines (black) and their intersection points (fixed points) together with the flow lines indicated by the arrows. A single trajectory is shown in red. The inset shows a zoomed portion of the phase plane near the fixed point. Below we show trajectories for two values of and two DC values. B. The fixed points for different ratios , while keeping pS/µm² and varying , as a function of the DC. C. Same as A but for a GS neuron with pS/µm² and pS/µm² (). Note that the abscissa has been scaled from A and B.

Inline graphic — A. Top: Fixed points and their stability for the dynamics of a NGS neuron with pS/µm² and pS/µm² () as a function of the input current DC. Bottom: The phase planes showing the nullclines (black) and their intersection points (fixed points) together with the flow lines indicated by the arrows. A single trajectory is shown in red. The inset shows a zoomed portion of the phase plane near the fixed point. Below we show trajectories for two values of and two DC values. B. The fixed points for different ratios , while keeping pS/µm² and varying , as a function of the DC. C. Same as A but for a GS neuron with pS/µm² and pS/µm² (). Note that the abscissa has been scaled from A and B.