Fig. 2From: Impact of altered environment and early postnatal methamphetamine exposure on serotonin levels in the rat hippocampus during adolescenceLevels of serotonin in hippocampus on all postnatal days. Graph A shows levels of 5HT on PND 28 after direct exposure, graph B shows levels of 5HT on PND 28 after indirect exposure. Graph C shows levels of 5HT on PND 35 after direct exposure, graph D shows level of 5HT on PND 35 after indirect exposure. Graph E shows levels of 5HT on PND 45 after direct exposure and graph F shows levels of 5HT on PND 45 after direct exposure. Levels of 5HT is expressed in ng of 5HT/mg of total protein in hippocampus. Values are means ± SEM (n = 8) *p < 0.05; **p < 0.01Back to article page