From: The New York Times
Memories Weaken Without Reinforcement, Study Finds
The New York Times:
What happens to forgotten memories — old computer passwords, friends’ previous phone numbers?
Scientists have long held two different theories. One is that memories do not diminish but simply get overshadowed by new memories. The other is that older memories become weaker, that pulling to mind new passwords or phone numbers degrades old recollections so they do not interfere.
The difference could be significant. If old memories stay strong and are merely papered over by new ones, they may be easier to recover. That could be positive for someone trying to remember an acquaintance’s name, but difficult for someone trying to lessen memories of abuse. It could suggest different strategies for easing traumatic memories, evaluating witness testimony about crimes, or helping students study for tests.
Read the whole story: The New York Times
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