Table 1.

Laminar distributions of three distinct subgroups of GABAergic neurons in the S1

	PV	SOM	VIP
L1	0 (0/201)^{^a}	0 (0/147)	2.3 ± 2.0^{^b} (4/183)
L2/3	33.4 ± 3.2 (413/1216)	13.2 ± 3.1 (171/1276)	23.7 ± 2.1 (301/1271)
L4	54.2 ± 5.1 (617/1122)	16.1 ± 3.1 (158/1006)	8.2 ± 2.6 (84/1003)
L5	49.7 ± 4.3 (659/1317)	32.5 ± 4.9 (454/1398)	2.0 ± 0.5 (27/1340)
L6	43.2 ± 5.5 (390/895)	31.9 ± 2.4 (353/1107)	4.4 ± 0.7 (38/868)
Total	43.5 ± 3.0 (2079/4751)	22.9 ± 1.7 (1136/4934)	9.7 ± 1.0 (454/4665)

↵^a The denominator and numerator in parentheses are the total number of the cells expressing GAD67 mRNA and that of neurons positive for individual chemical marker, respectively.
↵^b Data are given as mean ± SD of the percentages in three mice.