
Conditioned fear in low- and high-anxious rats is differentially regulated by cortical subcortical and midbrain 5-HT1A receptors
Keywords: 5-HT, serotonin; 8-OH-DPAT, 8-hydroxy-2-(di-n-propylamino)-tetralin; ANOVA, analysis of variance; CS, conditioned stimulus; DPAG, dorsal periaqueductal gray; FPS, fear-potentiated startle; HA, high-anxious; ISI, inter-stimulus interval; LA, low-anxious; m