Exergaming in Older Adults: Exercise for Body and Brain / by Helen Martha Müller ; Principle supervisor: Prof. Dr. Jochen Baumeister (Exercise Science & Neuroscience Unit, Paderborn University), Co supervisors: Prof. Dr. Beatrix Vereijken (Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Norway), Ass. Prof. Dr. Nina Skjæret Maroni (Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Norway)