The Things You Don’t Remember Shape Who You Are

Paul Bradbury via Getty Images What is the earliest memory you have? Most people can’t remember anything that happened to them or around them in their toddlerhood. The phenomenon, called childhood amnesia, has long puzzled scientists. Some have debated that we forget because the young brain hasn’t fully developed the ability to store memories. Others argue it is because the fast-growing brain is rewiring itself so much that it overwrites what it’s already registered. New research that appears in Nature Neuroscience this week suggests that those memories are not forgotten. The study shows that when juvenile rats have an experience during this infantile amnesia period, the memory of that experience is not lost. Instead, it is stored as a “latent memory trace” for a long time. If something later reminds them of the…


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