What do the novel designer stimulants -LRB- 4-FA , 2-FA , 4-FMA , ethylphenidate , etc -RRB- do that traditional stimulants -LRB- Adderall , Ritalin -RRB- do n't do ?
How do dopaminergic stimulants -LRB- Adderall/Ritalin -RRB- affect working memory ?