The Multiple Nuclei Model, developed by Posner, Petersen, and others, proposes that attention is controlled by several specialized brain regions, or nuclei. These nuclei, located in the parietal and frontal lobes, include the alertness, orientation, and executive control nuclei. They work together to coordinate attentional processes such as sustaining focus, shifting attention, and inhibiting inappropriate responses. This model has influenced our understanding of attention and is used in clinical and educational settings to address attention disorders and improve learning strategies.
