Man differs from other animals well-developed brain and the ability to perform complex mental work. Scientists in the last experiment found the area that defines our individuality and difference from the rest of the animal world.
People and monkeys gave a listen to the catchy melodies, for example, the beginning of Beethoven's Fifth Symphony. All changes brain activity was recorded using an MRI apparatus.
In humans and in monkeys when you change the key of the melody included centers responsible for the calculations. For this people additionally activated inferior frontal gyrus of the brain.
This is the Broca's area, which determines the person's ability to communicate. It is believed that this region there is only a person. It makes us unique, different from other animals.