..................................................................................................................................................... XV CHAPTER 1: INTRODUCTION .................................................................................................................... 1 1.1 Motivation ................................................................................................................................................ 2 1.2 Research Scope and Focus ....................................................................................................................... 3 1.3 Research Questions .................................................................................................................................. 3 1.4 Overview of this study ............................................................................................................................. 3 1.5 Structure of the thesis ............................................................................................................................... 4 CHAPTER 2: BRAIN FUNCTIONS AND BRAIN DATA ........................................................................... 6 2.1 Functionality of the Brain ......................................................................................................................... 6 2.1.