News Neuroscience

Rats feel regret, experiment finds

Rodents rue missed opportunities for food

LAMENTING A LOSS  When a rat realizes it messed up, its body and brain show signs of regret, a new study suggests. 

Heiko Kiera/Shutterstock

By Laura Sanders

- More than 2 years ago

With only an hour to eat, a diner hurries into his favorite restaurant. Deterred by a modest wait, he leaves, only to be burned by an even longer wait at the next restaurant.