Betini Beatriz Gioppo, Meira Alex Tiburtino, Teive Hélio Afonso Ghizoni
Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil.
Arq Neuropsiquiatr. 2019 Sep 23;77(9):669-671. doi: 10.1590/0004-282X20190038. eCollection 2019.
An historical review of the contributions made by Italian professor, Camillo Negro, to neurology. Negro published several books on clinical neurology, was one of the pioneers of scientific films and described numerous neurological diseases. He is best known for describing the cogwheel phenomenon in patients with Parkinson's disease but also described a sign of peripheral facial paralysis.