Fig. 2.

Elevated plus maze exploration by Swiss and C57BL/6 female mice. Behavioral responses of Swiss (white bars) and C57BL/6 (grey bars) female mice in the elevated plus maze (EPM). (A) Percentage of time spent in the open arms. (B) Percentage of entries in the open arms. (C) Frequency of risk assessment behavior. (D) Representative occupational plot of each group generated by ANYmaze^®. Vertical arms correspond to the open arms and horizontal to the enclosed arms. The hot colors represent the area most visited by the group and the cold colors, the least. Data are expressed as mean + S.E.M. and analyzed by unpaired Student's t-test *p < 0.05 (n = 10/strain). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)