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The section summarizes the involvement of various neurotransmitters and neuromodulators in aggressive behavior . Volunteer hunter education instructors provide valuable training services in their communities and represent a strong , positive force which can help neighbors and fellow citizens better understand the need for increased attention to hunting safety , hunter behavior and sportsmanship , and the issues affecting modern wildlife management . Classification of disorders is eschewed in favor of in-depth explanations of pharmacologic options in inducing behavior changes . The Department of Fine Arts has designed a program that provides students with opportunities for intellectual growth through studies in visual formulation and visual articulation . A student may major in geology in preparation for graduate work , for a professional career in a branch of geology , or to obtain background for further studies in medicine , environmental law , oceanography or city and regional planning . The emphasis on a strong theoretical and analytical background in the curriculum also provides a strong foundation for students who wish to go on to graduate studies in electrical and computer engineering and computer science to specialize in fields such as advanced computer architecture , VLSI design , robotics , and telecommunications . Opportunities for computer scientists and engineers have expanded greatly , both in specialized fields as well as in numerous interdisciplinary options in which computer science expertise is combined with advanced degrees in business , communication , engineering , law , medicine , and science . The curriculum is sufficiently flexible so that the student can pursue a number of elective options in depth either in traditional mechanical engineering subjects or in another engineering program at Penn. Flexibility in the curriculum , primarily in the junior and senior years and coupled with a senior design project , enables a student to pursue an elective program in fields such as aeronautics , robotics , computers , electronics , business administration , advanced mathematics , automatic control , and materials . To this end , the University recognizes over 70 undergraduate overseas study options in 34 countries in Africa , Asia , Australia , New Zealand , Eastern and Western Europe , Latin America and the Middle East . The program requires relevant courses in a number of departments and programs — History , International Relations , Political Science , Sociology , East Asian Languages and Civilizations , and Law — while maintaining high standards in language study .