Table 1.

Representation of gates by combinations of spikes. Black lines show the potential when the network was stimulated by input pair (01), red by Kheirabadi et al. [11] and green by Kheirabadi et al. [12]. Adopted from Adamatzky et al. [15].

spikes	gate	notations
	OR	${\displaystyle x+y}$
	SELECT	${\displaystyle y}$
	XOR	${\displaystyle x\oplus y}$
	SELECT	${\displaystyle x}$
	NOT-AND	${\displaystyle \overline{x}y}$
	AND-NOT	${\displaystyle x\overline{y}}$
	AND	${\displaystyle xy}$