In examining their own reflections, simians show hints of self-awareness
Rhesus monkeys typically don’t check themselves out in a mirror — unless they’re wearing funky acrylic forehead blocks attached to hair-thin electrodes implanted in their brains.
Given that fashion-forward apparel, these monkeys avidly use mirrors to examine and groom their heads and to inspect hard-to-see body areas, say neuroscientist Luis Populin of the University of Wisconsin–Madison and his colleagues.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.