Some of the most complex cognitive functions are possible because different sides of your brain control them. Chief among ...

The human brain includes two hemispheres connected by a bundle of nerves. The left hemisphere controls movement for the right side of the body, while the right hemisphere directs the left side ...

Cats often sleep on their left side. Scientists studied over 400 YouTube videos of cats. Two-thirds preferred left-side sleeping.

For example, we’ve found the left side of the brain has more focused, specialized connections that may help detect key features of speech, such as distinguishing one word from another.

Some of the most complex cognitive functions are possible because different sides of your brain control them. Chief among them is speech perception, the ability to interpret language. In people ...

For example, we’ve found the left side of the brain has more focused, specialized connections that may help detect key features of speech, such as distinguishing one word from another.

For example, we’ve found the left side of the brain has more focused, specialized connections that may help detect key features of speech, such as distinguishing one word from another.

Strikingly, the right hemisphere of people with autism seems to respond earlier to sound than the left hemisphere, echoing the accelerated right-side maturation we saw in our study on mice.