Figure 8
Courses of (a) 
and (b) 
for different control parameter values 
along with 
and initial values 
. For 
, 
is in the basin of attraction of the lower stable fixed point in Figure 7. If 
exceeds the saddle node bifurcation, this leads to a change of the qualitative dynamic behavior of 
, which approaches the globally stable limit cycle for 
SN (here illustrated by 
).