Fig. 2From: Prolonged exposure to a low-dose of bisphenol A increases spontaneous motor activity in adult male ratsEffects of BPA on total spontaneous motor activity in the whole day (a), the light phase (b), and the dark phase (c) on each day. Values are the mean ± SEM for seven rats. *p < 0.05 (compared with the values of the vehicle-treated group on the corresponding day by the Mann–Whitney U test)Back to article page