I recently watched this talk (below) by Joaquin Fuster. His theories provide a good integration of cortical functions and distributed processing in working and long-term memory. He also has some cool videos of likely network interactions across cortex (in real time) in his talk.
Here is a diagram of Dr. Fuster’s view of cortical hierarchies:
Joaquin Fuster’s talk:
The Google Video link is broken, but you can see a related talk by Fuster here:
https://archive.org/details/Brain_Network_Dynamics_2007-13-Joaquin_Fuster
Here is an excerpt from Dr. Fuster’s amazing biography: