3 Brain Exercises To Improve Executive Function In ADHD The prefrontal cortex, located at the front of the brain, is critical in regulating focus and executive functions. This area is responsible for high-order cognitive processes including decision-making, problem-solving, emotional control, and attention management. In individuals with ADHD, the prefrontal cortex often exhibits decreased activity, resulting in challenges with concentration, organization, and impulse control. Here are 3 things