CELLULAR NEURAL OSCILLATOR
FITZHUGH-NAGUMO
2D lattice of coupled FitzHugh-Nagumo neurons. Excitable medium: action potentials, spiral waves, synchronization.
ε (timescale):
0.08
a (threshold):
0.7
b (recovery):
0.8
I_ext (stimulus):
0.5
Du coupling:
1.0
Speed:
5
x
View:
Membrane potential v
Recovery variable w
Phase portrait (v-w)
Grid:
100×100
150×150
200×200
Reset
Add Spiral
Stimulate
Pause/Play
t=0