This active interaction between different parts of the brain is necessary for a person to be aware of her surroundings, or to be able to focus on his work or switch between tasks. (can-acn.org)
Indeed, not only did cognitive performance improve, they saw a marked boost in how different parts of their brains worked together. (infinitelifefitness.com)
As we age, we use different parts of our brain compared to our younger selves. (sciencedaily.com)