Activation in Papez Circuit Sub-regions by SLLT Condition. Regions used to extract activation, overlaid onto the MNI template. Signal change to illustrate differences between Encoding and Silent Rehearsal in the Papez circuit regions. Abbreviations: rostral anterior cingulate (RAC), subgenual anterior cingulate (SGAC), mammillary bodies (MB), posterior cingulate (PC), retrosplenial cingulate (RSC), insula (Ins), anterior hippocampus (AH), middle hippocampus (MH), posterior hippocampus (PH).