When we are exposed to a real or perceived threatening situation, powerful things happen in the brain to memorialize aspects of the event, including all manner of associated circumstances like where, when and how it occurred.

Mental fitness is served by consciously redirecting our attention away from the constant bombardment from the media whose reason to be seems to be focused on keeping us in a state of constant alert.

While the hippocampus itself doesn't store memories, it serves to triage our experiences based upon their survival significance.

David Perlmutter Quotes