Interaction between the Amygdala and the Medial Temporal Lobe Memory System Predicts Better Memory for Emotional Events  Florin Dolcos, Kevin S LaBar, Roberto Cabeza  Neuron  Volume 42, Issue 5, Pages 855-863 (June 2004) DOI: 10.1016/S0896-6273(04)00289-2

Figure 1 Greater Emotional Dm than Neutral Dm in the Amygdala and MTL Memory System (A) Three-dimensional view of the anatomically defined regions of interest (ROIs) from one representative subject. (B) Coronal view of six representative slices showing the location in the brain of the medial temporal lobe (MTL) regions. (C) The bar graphs compare the percent signal change for emotional and neutral Dms, as extracted from the peak activation slice/subregion in the amygdala (BLA), hippocampus (the head/left hemisphere), and anterior PHG (the entorhinal cortex; see also Table 1). Unless specified, the graphs are based on the fMRI signal averaged across hemispheres and emotion conditions (pleasant and unpleasant collapsed). Ctx, cortex; Emo, emotional; Neu, neutral; Dm, remembered − forgotten. Neuron 2004 42, 855-863DOI: (10.1016/S0896-6273(04)00289-2)

Figure 2 Stronger Amygdala-Entorhinal Correlation for the Emotional Dm than for the Neutral Dm The plots are based on the emotional Dm (left) and the neutral Dm (right), as extracted from left amygdala (the peak activation slice in BLA) and left entorhinal cortex. Ctx, cortex; Dm, remembered − forgotten; L, left. Neuron 2004 42, 855-863DOI: (10.1016/S0896-6273(04)00289-2)

Figure 3 Functional Dissociation along the Longitudinal Axis of the PHG Anterior PHG, particularly the entorhinal cortex, was associated with subsequent memory for emotional pictures, whereas posterior PHG (i.e., parahippocampal cortex) was associated with subsequent memory for neutral pictures. (A) Sagittal view of the entorhinal and parahippocampal cortices as traced on the anatomical brain image of one representative subject. (B) Comparison of the emotional Dm and the neutral Dm as extracted slice-by-slice from anatomical ROIs traced in the entorhinal and parahippocampal cortices. The numbers from the upper part of the graph correspond to the PHG slices as they are shown in (A). PHG regions are color-coded as follows: Entorhinal cortex, magenta; parahippocampal cortex, green. PHG, parahippocampal gyrus; Ctx, cortex; Dm, remembered − forgotten. Neuron 2004 42, 855-863DOI: (10.1016/S0896-6273(04)00289-2)