The memory for time and space differentially engages the proximal and distal parts of the hippocampal subfields CA1 and CA3
Fig 3
Examples of Arc labeling in CA1 and CA3.
DAPI-stained neuronal nuclei are shown in blue. Arc intranuclear labeling in red. Red arrows show examples of Arc-positive cells, and green arrowheads show examples of Arc-negative cells. Example of Arc expression in (A) distal CA1, (B) proximal CA1, (C) proximal CA3, and (D) distal CA3. Scale bars: 20 μm. SO, stratum oriens [44]; SR, stratum radiatum [49].