previous studies have demonstrated that at day 7 following treatment , administration of 3 or 7 mg/kg trimethyltin ( tmt ) to male long-evans rats caused decreases in the concentrations of da in nucleus accumbens , and perturbed serotonergic function in regions of brain that receive serotonergic innervation from the raphe nuclei .
C0028633
nucleus accumbens
C0006104
brain