Graphs to show the relative levels of c-fos mRNA in the (A) BSTov, (B) CEA and (C) PVN 30 min after a remote injection of amphetamine (2 mg/kg i.p.) under conditions of background (60 dBA) or increasing intensities of white noise. Values represent means + SEM. *P < 0.05; **P < 0.01; ***P < 0.001 with respect to the relevant 60 dBA group. Abbreviations: BSTov, bed nucleus of the stria terminalis, oval subdivision; CEA, central nucleus of the amygdala; PVN, paraventricular nucleus of the hypothalamus.