
Keywords: ALDH, aldehyde dehydrogenase; ALDH-1, aldehyde dehydrogenase-1; ALDH-2, aldehyde dehydrogenase-2; DA, dopamine; DBH, dopamine β-hydroxylase; DETC-MeSO, S-methyl-N,N-diethylthiolcarbamate sulfoxide; FR, Fixed Ratio; NA, noradrenaline; PR, Progressive Ratio