Table 2.

Mean (±SD) time spent in the white chamber by mice given 4-second of shock

Group	1 hour	24 hours	1 week	P valueb
Oil pretreatment + saline	128.5 ± 35.4	26.3 ± 11.4	9.2 ± 1.9	NS
Coriander pretreatment + saline	102.1 ± 29.0	151.4 ± 30.8	169.6 ± 47.9	NS
P valuea	NS	0.022	0.002	–
Oil pretreatment + caffeine 25 mg/kg	129.8 ± 144.2	181.3 ± 143.8	95.7 ± 115.4	NS
Coriander pretreatment + caffeine 25 mg/kg	227 ± 80.1	225.8 ± 74.6	276.3 ± 58.0	0.039
P value	NS	NS	NS	–
Oil pretreatment + caffeine 50 mg/kg	175.5 ± 116.5	177.8 ± 119.0	84.3 ± 69.2	NS
Coriander pretreatment + caffeine 50 mg/kg	267.0 ± 49.1	229.5 ± 19.6	222.3 ± 7.9	NS
P value	NS	NS	NS	–

Notes:

^aMann–Whitney U test was used for comparisons between two groups;

^bCompared via the Friedman test.

Abbreviation: NS, not significant.