The document discusses executive functioning and provides examples of how executive functioning disorders can impact individuals. It defines executive functioning as the cognitive processes that regulate, control, and manage other cognitive abilities and behaviors. Case studies of Phineas Gage and Elliot, who experienced brain injuries, illustrate how executive functioning disorders can result in problematic changes to behavior, cognition, language, and social skills. The document outlines approaches for assessing executive functioning and provides strategies for intervention and remediation of executive dysfunction.