Laser light rewrites memories in mice

Nerve cells in the hippocampus help the brain modify recollections

ALTERED   Mice’s bad memories turned into good ones and vice versa with a flash of light. The switch occurred when nerve cells (red) storing the memory were activated while a mouse experienced something new. The black region (center) shows the location of the light-delivering optical fiber.

R. Redondo

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Neuroscience

From the Nature Index

Paid Content