I understand where the article is coming from, though. Several years ago, I was prescribed an SSRI for anxiety and depression. The first two weeks of taking it made me feel out of myself, like I was a zombie. It wasn't a buzz, it wasn't a fog, it was just this feeling of depersonalization. The first few weeks could be viewed as "demotivating" because I just really didn't care about much in my zombie like state. Everything was dulled. Over the course of those two weeks, this dullness started lifting and I felt like myself again. It took a few more months to adjust completely. Now, I would say my motivation is better than before, because a blanket that made me doubt myself constantly has been lifted.