The terminology may be getting us screwed up here... But the F-22 is designed to display to the pilot a fused, corolated picture of what's going on 360 degrees around the jet. I've seen the sim myself and talked to dozens of Raptor pilots and program guys about this for years. That's the radar and ALR-94 plus whatever it recieves via the Link-16 and IFDL and what not... Bottomline, the jet fuses that data and displays it to the guy in the cockpit so that he can make the tactical decisions he needs to--it's actually quite similar to the F-35's displays in many respects (which I've seen the unclass version of- not the hardware, but the way the info is displayed). It's not the pilot's brain that's integrating data from a myraid different sources--it's the jet. It's not to the same degree as you'll see in the F-35, but it is sensor fusion.
At the processing level, the F-22 is most definitely not federated. If anything, it's too integrated since everything is processed in the jet's CIPs, which has cause the Raptor to be a living nightmare to do even the most basic upgrades on. It's gotten to the point where the USAF is trying graft on a open architecture system to the jet because they're tired of dealing with it.
If you have access- go talk to the F-22 SPO guys at Wright-Patt or go talk to Doug Ebersole at the F-35 JPO-- he used to run all the engineering at F-22 SPO so he can give you a much better understanding of the Raptor avionics and the problems with it.
I wrote this back at Defense News- it's still ongoing now: http://www.defensenews.com/article/20110530/DEFFEAT04/105300306/F-22-Getting-New-Brain
Some more in this later article at Flight: http://www.flightglobal.com/news/articles/in-focus-usaf-receives-last-f-22-raptor-371401/
Personally, I always thought they shouldn't have bothered with adding air-to-ground capability to the Raptor past the JDAMs. It would have been far better to get the AIM-9X, AIM-102D and some from of helmet mounted cueing onto the jet earlier and just focus on air superiority. At least they're getting the missiles sooner rather than later now and they seem to be focusing more on the air-to-air mission now that we're pivoting toward the Pacific.