Brain MRI changes in Parkinson’s disease A cross sectional study

Norway 3 Acknowledgements First off all I would like to thank the participating patients and the healthy elderly from our local community who volunteered to participate in this study. I am deeply grateful to my supervisor Professor Dag Aarsland who recruited me for this project. Thank you for your trust, enthusiasm, generosity, never ending optimism and patience throughout the years. Thank you for giving me responsibility and for all the time you spent on supervision. I am also grateful for help and support provided by professor Jan Petter Larsen, who has been a co-supervisor. Your critical comments and focus on quality has been very helpful. Thanks to everybody at NKB for a lot of fun, friendship and sharing of " ups and downs ". You are all a great group to work wih. A special thanks to Kolbjørn Brønnick for always being a positive, interested, honest and critical colleague. There are many persons that have been involved in this project whom I would also like to thank; Invaluable work was done by MR technicians and the other MRI staff, and my fellow radiologists for evaluating the images.