A new study regarding common drugs and cognitive decline in older patients:
https://www.sciencedaily.com/releases/2 ... 120100.htm
The PDF also lists common psychotropics, and in the "definite" range:
http://www.agingbraincare.org/uploads/p ... l_size.pdf
What ever study is done on cognitive decline involving psychotropics rarely does it come out in the favor of psychotropics. Yet again more proof, though small in this case, of just how profound these drugs can be on the human brain.