Originally Posted by Prism99

Cats need things to climb also, and high perches from which they can look down. Varying heights is good.

Is it Feliway that she is using?
http://www.amazon.com/Comfort-Zone-F...dp/B003E6WSHK/
It usually helps, but in a confined area. She may not be using enough of them for the area in which the cats stay.