Many researches do, some companies do, I also do <a href="https:&#x2F;&#x2F;medium.com&#x2F;@kidargueta&#x2F;building-an-emotional-artificial-brain-motivations-71500556bbbe#.yobra6mvo" rel="nofollow">https:&#x2F;&#x2F;medium.com&#x2F;@kidargueta&#x2F;building-an-emotional-artific...</a> 
But the problem is that if you fix depression and anxiety then you also fix compulsive spending, need for drugs, etc, and then you will piss many VCs off.