Neurocognitive Disorders are a group of conditions that primarily affect cognitive functions such as memory, thinking, and reasoning. These disorders can result from various causes, including brain injuries, infections, or degenerative diseases like Alzheimer's disease. Symptoms may include confusion, difficulty concentrating, and changes in behavior. These disorders can range from mild to severe, impacting daily life and independence. Diagnosis typically involves medical history, cognitive testing, and imaging studies. Treatment options may include medications, therapy, and lifestyle changes to help manage symptoms and improve quality of life for those affected.