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Figure 10 | The Journal of Mathematical Neuroscience

Figure 10

From: Canard solutions in neural mass models: consequences on critical regimes

Figure 10

LFP traces of system (1a)–(1h) near critical transitions under stochastic input. (a1) Transitions between multiple time-scale oscillations and background regime for a type-I setting at \(B=23\), \(C_{3} = 35\), \(C_{5}=200\). Panel (a2) zooms between two large amplitude discharges (blue) and panel (a3) shows the normalized power spectral density of the signal. (b1) Transitions between multiple time-scale oscillations and background regime with slow oscillations of \(\approx 3.5\text{ Hz}\) for a type-II \(B=17.8\), \(C_{3} = 80\), \(C_{5}=200\). Panel (b2) zooms between two large amplitude discharges (red) and panel (b3) shows the normalized power spectral density of the signal. (c1) Transitions between multiple time-scale oscillations and sinusoidal oscillations for \(B=4.7\), \(C_{3} = 80\), \(C_{5}=200\). Panel (c2) zooms between two large amplitude discharges (cyan) and panel (c3) shows the normalized power spectral density of the signal

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