Table 6. Differences between male and female mice in the O Maze test (arithmetic means ± SEM).

parameter		WT	WTNH4Cl	kl/klNH4Cl	WTLVD	kl/klLVD
protected headdips	♂	27.00 ± 6.15	23.88 ± 2.86	45.65 ± 3.65	22.83 ± 5.06	20.50 ± 2.66
	♀	34.27 ± 6.42	29.75 ± 3.76	41.00 ± 3.77	26.50 ± 7.21	19.82 ± 2.93
	ttest	0.4231	0.4412	0.4735	0.6858	0.8660
unprotected headdips	♂	4.36 ± 1.50	3.50 ± 1.35	11.77 ± 1.71	5.67 ± 1.45	5.40 ± 1.32
	♀	6.64 ± 2.44	2.75 ± 1.30	11.47 ± 2.14	3.67 ± 1.17	4.73 ± 0.95
	ttest	0.4365	0.8528	0.9350	0.3095	0.6799
visits in open arms	♂	27.27 ± 7.36	18.63 ± 7.10	44.14 ± 5.10	19.50 ± 3.23	22.00 ± 4.69
	♀	21.27 ± 4.46	19.88 ± 7.06	39.59 ± 6.95	20.00 ± 8.74	25.73 ± 7.02
	ttest	0.4937	0.7324	0.5636	0.9552	0.6705
distance in open arms [m]	♂	3.46 ± 1.02	2.24 ± 0.97	6.03 ± 0.75	3.28 ± 0.41	2.98 ± 0.82
	♀	2.96 ± 0.73	2.03 ± 0.82	5.53 ± 0.76	2.57 ± 0.62	3.32 ± 0.66
	ttest	0.6895	0.9564	0.6933	0.3616	0.7462
time in open arms [min]	♂	1.11 ± 0.30	0.73 ± 0.27	2.02 ± 0.26	0.94 ± 0.12	1.12 ± 0.21
	♀	1.27 ± 0.25	0.82 ± 0.33	2.18 ± 0.25	0.96 ± 0.15	1.03 ± 0.24
	ttest	0.6783	0.6649	0.6700	0.9447	0.7722
distance in closed arms [m]	♂	12.42 ± 1.00	12.07 ± 1.03	15.65 ± 0.76	11.69 ± 2.32	10.45 ± 1.26
	♀	12.40 ± 1.34	11.26 ± 1.25	17.92 ± 1.23	10.49 ± 1.56	10.84 ± 1.03
	ttest	0.9898	0.7379	0.3923	0.6770	0.8103
total distance [m]	♂	15.56 ± 1.88	14.30 ± 1.62	21.68 ± 1.22	14.92 ± 2.31	13.42 ± 1.64
	♀	15.35 ± 1.63	13.30 ± 1.76	22.82 ± 1.51	13.12 ± 1.46	14.16 ± 1.13
	ttest	0.9336	0.8454	0.6513	0.5265	0.7114
speed [cm/s]	♂	2.29 ± 0.30	2.22 ± 0.29	3.67 ± 0.20	2.01 ± 0.29	2.47 ± 0.25
	♀	3.82 ± 0.49	2.43 ± 0.34	3.63 ± 0.29	1.97 ± 0.09	2.33 ± 0.23
	ttest	0.1353	0.4781	0.8705	0.8882	0.6823
time in open arms [%]	♂	11.06 ± 2.99	7.34 ± 2.74	20.17 ± 2.55	9.41 ± 1.23	11.22 ± 2.10
	♀	12.70 ± 2.51	8.17 ± 3.33	21.76 ± 2.47	9.55 ± 1.46	10.28 ± 2.39
	ttest	0.6783	0.6649	0.6696	0.9447	0.7721
time open/closed arms *100	♂	13.75 ± 3.94	8.67 ± 3.57	26.89 ± 4.27	10.50 ± 1.54	13.21 ± 2.68
	♀	15.56 ± 3.54	9.85 ± 4.48	30.25 ± 4.88	10.70 ± 1.78	12.35 ± 3.33
	ttest	0.7361	0.6674	0.6428	0.9328	0.8439
distance open arms [%]	♂	22.24 ± 4.33	15.62 ± 5.12	27.81 ± 2.83	22.01 ± 2.73	22.18 ± 4.81
	♀	19.26 ± 3.96	15.29 ± 4.79	24.21 ± 2.24	19.60 ± 8.08	23.45 ± 4.34
	ttest	0.6184	0.7854	0.5286	0.4239	0.6645
distance open/closed arms *100	♂	27.87 ± 6.49	18.52 ± 9.19	38.53 ± 5.27	28.09 ± 4.35	28.50 ± 9.67
	♀	23.86 ± 6.95	18.05 ± 7.11	31.95 ± 4.30	24.52 ± 7.26	30.64 ± 12.81
	ttest	0.6544	0.9178	0.4911	0.2703	0.6927