Fig. 2. The effects of licorice extracts on spatial memory, measured by the T-maze test.

Data are presented as mean ± SD. ^* Means the space perception route cognitive abilities for familiar and novel routes are significantly different (P < 0.05) as determined by Student's t-test (n = 6 mice per group). Normal, 0.9% injection + oral administration of water; Control, LPS injection + oral administration of water; GU, LPS injection + oral administration G. uralensis (150 mg/kg/day); GB, LPS injection + oral administration G. glabra (150 mg/kg/day); SW, LPS injection + oral administration SW (150 mg/kg/day).