Figure 1
From: Analog neuromorphic circuit for spontaneous Ca2+ oscillations

Schematic illustration of the mathematical model, showing paths 1 and 2 for the positive feedback loop and paths 3 and 4 for the negative feedback loop.
From: Analog neuromorphic circuit for spontaneous Ca2+ oscillations
Schematic illustration of the mathematical model, showing paths 1 and 2 for the positive feedback loop and paths 3 and 4 for the negative feedback loop.