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The Boston Globe

Science

Mind-control study gives mouse false memory

The chamber illuminated with reddish light would have been familiar to the mouse — the laboratory animal had scurried before on its black cardboard floor and smelled the faint whiff of vinegar. The mouse froze. A series of electric foot shocks would be coming soon, as, the mouse remembered, had happened the last time.

But the shocks never came. The memory wasn’t real.

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