What do you mean exactly? Are you arguing that dopamine activity in the Nucleus Accumbens does not play a particular mechanistic role in reward seeking behavio

What do you mean exactly? Are you arguing that dopamine activity in the Nucleus Accumbens does not play a particular mechanistic role in reward seeking behavior? Or that norepinephrine plays an equivalent role in this mechanism? I'm not sure where I defended the chemical imbalance theory in my comment.