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Modelling and analysis of cAMP-induced mixed-mode oscillations in cortical neurons: Critical roles of HCN and M-type potassium channels

Fig 10

Critical manifold.

This figure presents the 3D-model critical manifold with I_App = 250 μA/cm² in the CGS-stimulated case. The red curve is the corresponding trajectory from Fig 7. Attracting () and repelling () submanifolds are presented with red and grey shaded surfaces. The black dashed curves correspond to the fold lines . The folded node and the unstable fixed point are presented using a blue circle and an orange square, respectively. The right panel shows a zoom on the region near the trajectory.

doi: https://doi.org/10.1371/journal.pcbi.1011559.g010