Table 1.

Effect of membrane potential on somatic APs and back-propagating AP-evoked Ca²⁺ transients in the apical tuft and main apical dendrite of mitral cells

	AP width at soma (ms)	Tuft dendrite		Apical dendrite
		Ca (ΔG/R) n = 7	p	ΔCa (ΔG/R) n = 5	p
AP1 rest	0.61 ± 0.08	0.070 ± 0.015	0.0143	0.061 ± 0.015	0.3133
AP1 hyper	0.53 ± 0.09	0.079 ± 0.016		0.058 ± 0.016
AP2 rest	0.61 ± 0.08	0.054 ± 0.012	0.0077	0.055 ± 0.013	0.0870
AP2 hyper	0.53 ± 0.09	0.064 ± 0.011		0.049 ± 0.013