Curried rats helping cure PTSD?
■ Could an ingredient in curry erase scary memories?
Scientists at the City University of New York (USA) gave rats electric jolts, and played a sound at the same time, so they’d link the two. After a while, they played the sound without the shocks, and the rats still froze, frightened, in their little rat tracks.
The team then switched up the rats’ food, feeding one group curcumin, a compound in the Indian spice turmeric, an ingredient in curry. When the sound was later played again, the rats eating regular food still froze with fear, but those eating curcumin didn’t; a sign that their memory of the earlier experiment had vanished. Speculation is that curcumin may stop the brain from storing fear-related memories and could…
