Rat Study Suggests Even Brief Stress Can Affect Brain [PsychCentral.com]
New research now shows that even a brief period of stress can cause part of the brain involved in memory to start shrinking — even before changes are evident in behavior and memory itself. The region in question is the hippocampus, a pair of curved structures at the base of our brains. This brain region encodes memories of facts and events — names, phone numbers, dates, and daily events that we need to run our lives. “Until now, no one actually knew the evolution of these changes. Does the...