PET molecular imaging in atypical Parkinsonism / Zheyu Xu, Javier Arbizu, and Nicola Pavese -- SPECT molecular imaging in atypical Parkinsonism / Joachim Brumberg and Ioannis U. Isalas -- Structural imaging in atypical Parkinsonisms / Beatrice Helm, Florian Krismer, and Klaus Seppi -- Functional MRI in atypical Parkinsonism / Federica Agosta, Elisabetta Sarasso, and Massimo Filippi -- PET molecular imaging in familial Parkinson's disease / Michele Matarazzo, Daryl Wile, Melissa Mackenzie, and A. Jon Stoessl -- SPECT molecular imaging in familial Parkinson's disease -- Andrea Varrone and Maria Teresa Pellechia -- Structural and functional MRI in familial Parkinson's disease / Avner Thaler -- Molecular imaging in Huntingdon's disease -- Structural magnetic resonance imaging in Huntingdon's disease / Heather Wilson, George Dervenoulas, and Marios Politis -- Functional magnetic resonance imaging in Huntingdon's disease / Sarah Gregory and Rachel I. Scahill.