showed a trendp = 0.06
Diazepam-treated HAB mice showed a trend to a reduction in the number of vocalizing animals compared to vehicle-treated HAB mice ( χ 2 = 3.55, p = 0.06; Figure 3 A), with the number of emitted sonic calls significantly decreased ( U = 31.5, p < 0.05; Figure 3 B).