Fig. 1

a Subjective anxiety ratings (n = 100; on a 0 no anxiety to 9 very strong anxiety scale) on different positions of the elevated plus-maze (EPM) in mean ± standard error. Open arms are in North (N) and South (S) direction, while closed arms are in East (E) and West (W) direction. Schematic depictions of the human (b) and rodent (c) EPM. Of note, the rocks surrounding the closed arms in the human EPM (b) only appear in the virtual environment, while the wooden real-world maze is placed on the floor of the laboratory. The closed arms in the rodent EPM (c) are surrounded by walls