Describe the primary mechanisms of action in bupropion/Wellbutrin, duloxetine/Cymbalta, and mirtazapine/Remeron. Given that clozapine/Clozaril is the first “atypical antipsychotic,” what is it that...

Describe the primary mechanisms of action in bupropion/Wellbutrin, duloxetine/Cymbalta, and mirtazapine/Remeron.

Given that clozapine/Clozaril is the first “atypical antipsychotic,” what is it that makes it “atypical” compared to neuroleptics?