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. 2011 May 25;5:25. doi: 10.3389/fncom.2011.00025

Figure 6.

Figure 6

Qualitative behaviors of the rate model with non-zero delays, rise, and decay times (τsEE = τsEI = 2 ms, τsIE = τsII = 5 ms, and τrEE = τrEI = τrIE = τsII = 1 ms). Other parameters: τE = 20 ms, τI = 10 ms, JEE = 1.5. (A) Frequency of the oscillatory instabilities as a function of JEIJIE for DE = 2 ms, DI = 1 ms. (B) Stability region of the asynchronous state in the JEIJIE − JII plane, and qualitative behaviors of the E transfer function for DE = 2 ms, DI = 1 ms, and three values of X (same color codes as in Figure 5). (C) Frequency of the oscillatory instability for DE = 1 ms, DI = 2 ms. (D) Stability region of the asynchronous state, and qualitative behaviors of the E transfer function for DE = 1 ms, DI = 2 ms, and three values of X (same color codes as in Figure 5).