Erasing Memories

Source: The Neuroethics Blog

Neuroscientists can measure changes in the brain associated with different types of memory. Recent experiments on rodents have shown that memories can be manipulated.

In one experiment, researchers implanted a false fear memory in a mouse brain, causing it to elicit a fear response to a stimulus to which it was not actually exposed. In a different experiment, researchers electrically stimulated place cells in a mouse hippocampus as well as cells in the reward system during sleep, which induced learned behavior where mice linked a specific location to a reward.

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