Figure 4. Computational model of WM.
Above: The model’s essential architecture, with four recurrent networks (cognits A, B, C, and D) in four separate regions of the cortex; recurrent loops are marked by C’s with letter subscripts denoting interactive cognits. I (t), inputs. Below: Three types of temporal memory discharge by units in the model and by real cortical cells recorded from monkeys in the laboratory of the first author. The frequency histograms are time-locked with presentation of the memorandum.
From [57], modified, with permission.