I think that I have seen this effect in past. When I go to parent folder, then a child folder is blinking by short time.
Is some setting responsible for the effect, or the feature has been removed in some version of DOpus (or I have false memories)?
Directory Opus Pro 12.33 Build 8659 x64
OS 6.1 (B:7601 P:2 T:1) SP 1.0 "Service Pack 1"