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Film the patients to be able to study the clinical signs of the disease. Use the eye of the camera to analyze in detail the walking disorders and tics related to neurological diseases. This is what the Bolognese neurologist Vincenzo Neri, pioneer of scientific cinema in Italy, did at the beginning of the twentieth century. On his death in 1960, Neri left a private archive containing materials of great historical value, including photographs, film footage, radiographs and audio recordings.