Figure 5: NMI results from controls, the non-lesioned group (Non-PD animal model) with endogenous neurochemical profile. On the x-axis: oxidation potential in term of applied voltage in volts (V). On the y-axis: current in nanoamperes (nA). NMI was conducted using the BRODERICK PROBE® laurate biosensor. Dopamine (DA), serotonin (5-HT) and L-tryptophan (L-Trp) were present in high concentration with minimal homovanillic acid (HVA). Neuropeptides were completely absent in non lesioned group (non-PD).