Table 1.

Orientation of axonal and dendritic growth and the resulting signal propagation at the gateway.

		Neurite growth			Signal propagation
		% Axon	n	% Dendrite	n	% Signal	STD	n
SC1	Lower → upper	56.1	41	53.6	114	24.1	1.8	91
	Upper → lower	24.4	24.8	28.6	2.5
	Both	19.5	21.6	47.3	2.4
SC2	Lower → upper	47.4	38	57.6	85	28.6	12.4	7
	Upper → lower	18.4	17.7	14.3	6.2
	Both	34.2	24.7	57.1	14.3
CT1	Lower → upper	93.7	48	54.2	107	85.0	2.9	124
	Upper → lower	2.1	33.6	7.1	0.6
	Both	4.2	12.2	7.9	0.9
CT2	Lower → upper	86.8	38	38.6	44	79.2	2.3	123
	Upper → lower	5.3	40.9	6.8	0.5
	Both	7.9	20.5	14.0	0.7