Science

Lasers reactivate ‘lost’ memories in mice with Alzheimer’s

A chance to remember? Forgotten memories have been reawakened in mice with Alzheimer’s disease, suggesting that the condition may not actually destroy our memories, but instead impair our ability to recall them.

It has long been assumed that Alzheimer’s disease completely erases memories. The condition involves clumps of proteins known as amyloid plaques and tau tangles accumulating in the brain, where they are thought to destroy the neurons that store our memories.

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