Until recently, studying the brain's internal organization ... in the human that we couldn't find in the other animals, particularly when we compared the human to the macaque monkey.

An elephant's brain is four times heavier than a human's. But as a percentage of its body mass it ranks at the bottom. The data used in the video is from UCLA Statistics and the images are from ...

Several animals, including octopuses, leeches, and starfish, have evolved multiple brain-like organs or distributed nerve networks. These adaptations enhance survival through independent limb ...

Researchers showed that only the right-brain side of the amygdala is involved in processing images of animals—in terms or fear, aversion, or affection—highlighting the importance animals throughout ...

One possibility is that intelligence in vertebrates — animals with backbones ... a young neuroanatomist at the Massachusetts Institute of Technology, mapped and compared brain circuits in mammals and ...

Another is that the human brain develops slowly compared with other animals. But how these features give rise to our cognitive skills is still a mystery — although researchers have plenty of ...

“We don’t have a precise definition of a brain,” he said. Scientists home in on the brain’s evolutionary origins by sorting out the animals without brains. Sponges have no neurons, so they are easy to ...