Fig. 7

Social interaction test. A Illustration of the social interaction test. B The time spent sniffing objects did not significantly differ among groups. C The total time spent sniffing each object did not significantly differ among groups. D The social interaction ratio did not significantly differ among groups (NS: not significant). The social interaction ratio was significantly different from the hypothetical value of 1 in all groups (crosses). Data represent the mean ± S.E.M. from 9–11 mice/group