title: Professor Abraham Akerman.
abstract: The authors present a historical review of the contribution of Professor Abraham Akerman to Brazilian neurology, including the famous sign known as "the Alajouanine-Akerman unstable ataxic hand".
authors.affiliation: Movement Disorders Unit, Neurology Service, Hospital de Clínicas, Universidade Federal do Paraná, CuritibaPR, Brazil.
authors.forename: Hélio Afonso Ghizoni
authors.initials: HA
authors.lastname: Teive
authors.forename: Francis Paciornik
authors.initials: FP
authors.lastname: Zorzetto
authors.forename: Adriana
authors.initials: A
authors.lastname: Moro
authors.forename: Renato Puppi
authors.initials: RP
authors.lastname: Munhoz
authors.forename: Péricles Andrade Maranhão
authors.initials: PA
authors.lastname: Filho
authors.forename: Edison Matos
authors.initials: EM
authors.lastname: Novak
mesh_terms: D001938:Brazil; D049672:History, 19th Century; D049673:History, 20th Century; D009462:Neurology / Q000266:history*