Professor Patrick Brundin is joined by fellow panellists Dr Filip Scheperjans a clinical neurologist working in Helsinki, Dr Jon Stamford a neuroscientist and person living with Parkinson’s, and Dr Viviane LaBrie from the Van Andel Research Institute, discussing the 2017 paper 'How Does Parkinson’s Disease Begin? Perspectives on Neuroanatomical Pathways, Prions, and Histology' by Professor Per Borghammer.