What is REM sleep, and what role does it play in memory
consolidation? Is the hippocampus, a structure known to play a role
in the consolidation of memories, active during REM sleep? Might
REM-related dreams be related to one's actual experiences?
How does the glucocorticoid hypothesis of depression explain
changes that occur in the hippocampus in individuals experiencing
depression, and what are the changes seen in the hippocampus?