K	DFC gain (mS/cm2)
$\tau$	DFC time delay (ms)
DFC	Delayed Feedback Control
DDE	Delay Differential Equation
HH	Hodgkin–Huxley
ISI	Inter-Spike Interval
NDS	Nonlinear Dynamic State
POLD	Pattern-Oriented Limit-cycle Decoder
UPO	Unstable Periodic Orbit
W–R–E	Write–Read–Erase