Results of meta-analysis.

r = mean effect size, P value was calculated by Z test. CE, central amygdaloid nucleus; CPu, caudate-putamen; CRF, corticotropin-releasing factor; D1R, dopamine D1 receptor; D2R, dopamine D2 receptor; DA, dopamine; DAT, dopamine transporter; GP, globus pallidus; HPC, hippocampus; 5HTT, 5HT transporter; NAc, nucleus accumbens; NE, norepinephrine; NET, norepinephrine transporter; OT, olfactory tubercle; PFC, prefrontal cortex; PVN, paraventricular nucleus; SN, substantia nigra; VTA, ventral tegmental area.