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Scientists measure the "doorway effect," and it supports a novel model of human memory

If we remember dramatic and emotional moments so well, why do most people forget what they were doing when the Challenger exploded?

If we remember dramatic and emotional moments so well, why do most people forget what they were doing when the Challenger exploded?

It's an inconvenient truth of aging: In our 30s and up, it gets increasingly harder for most of us to recall names, faces, and details from the past. Scientists have long debated whether this gradual decline is an early form of Alzheimer's disease-a neurodegenerative condition that leads to severe dementia-or a distinct neurological process. Now, researchers have found a protein that distinguishes typical forgetfulness from Alzheimer's and could lead to potential treatments for age-related memory loss.