Dr. Muhannad Ahmed Ali, Head of the Anesthesia Techniques Department and Assistant Professor in the Physiology of the Brain and Nervous System, gave a lecture as part of the seminar program entitled (Human Intelligence, its nature, elements, and brain functions that contributeto intelligence and its development). This topic is one of the topics that has occupied the minds of many psychologists and specialized doctors because of its significant impact on developing and improving human life. Intelligence is defined as the ability to use logic, learning, understanding, comprehension, planning, creativity, invention, in-depth thinking, and prediction.