"Unraveling PTSD: The Power of Negative Memory Replay"

Rats reinforce their memories of negative experiences in familiar places by repetitively replaying them in their minds, according to a study by RIKEN neuroscientists. The researchers found that specific neurons known as place cells, which generate a mental map of familiar locations, can be altered when the animal encounters a negative experience. The study suggests that understanding how the brain processes and recalls traumatic experiences could lead to new treatments for psychiatric disorders like post-traumatic stress disorder (PTSD).