Table 1B.

Membrane properties of the EGFP+ neurons classified in cell types

					Significance (Student's t-test)
	Type 1 (Single)	Type 2 (Phasic)	Type 3 (Tonic)	Total Mean	Types 1 vs. 2	Types 2 vs. 3	Types 1 vs. 3
n	13	15	27	55
Em, mV	−66.7 ± 5.4	−70.6 ± 5.3	−67.4 ± 8.5	−69.1 ± 9	†	NS	NS
Ith, pA	115.4 ± 59.1	84.6 ± 31.5	88.9 ± 56	95.5 ± 52	†	NS	NS
Rin, MΩ	301.2 ± 109.9	436.2 ± 195.7	372.9 ± 233.5	374.9 ± 207	†	NS	NS
τm, ms	23.4 ± 14.9	25.8 ± 10.8	20.4 ± 13.4	22.3 ± 13	NS	NS	NS
τ1, ms	4.2 ± 1.6	3.9 ± 1.9	4.1 ± 2.6	4.2 ± 2.3	NS	NS	NS
Cm, pF	129.7 ± 46	104.6 ± 52	109.3 ± 53	116.7 ± 59	NS	NS	NS
Vth, mV	−43.1 ± 6.1	−39.0 ± 11.5	−38.3 ± 8.9	−40.2 ± 11	NS	NS	†
AP height, mV	49.9 ± 10.7	47.7 ± 11.3	47.5 ± 14.2	48.1 ± 12.6	NS	NS	NS
AP width, ms	3.5 ± 0.6	4.5 ± 1.3	3.3 ± 1.2	3.7 ± 1	†	*	NS
AHP depth, mV	10.7 ± 4.6	13.4 ± 6.2	16.7 ± 6.1	14.5 ± 6	NS	†	*
AHP 1/2 decay, ms	30.7 ± 22.2	46.6 ± 39.4	55.5 ± 30.4	49.3 ± 36	NS	NS	*
Slope 1, Hz/nA	NA	197.1 ± 67.6	176.1 ± 126.8	182.2 ± 112	NA	NS	NA
Slope 2, Hz/nA	NA	143.7 ± 51.4	133.2 ± 77.2	136.2 ± 70	NA	NS	NA
Slope SS, Hz/nA	NA	134 ± 51.8	96.9 ± 46.1	106.9 ± 50	NA	†	NA
Lamina VII	7	2	10
Lamina VIII	2	2	9
Lamina X	4	11	8

^†: significant difference with P < 0.05;

^*, significant difference with P < 0.005; NS, not significant difference; NA, not applicable.