RBD and hyposmia in Moroccan patients with a synucleinopathy: prevalence and the timing of occurrence in a large cohort

Abstract Introduction: Rapid Eye Movement Sleep Behavior Disorder (RBD) and hyposmia are common in synucleinopathies and they tend to occur in connection to the prodromal development of these disorders. In this study, we sought to determine the prevalence of RBD and hyposmia and the timeline of their occurrence in a large cohort of Moroccan patients. Methods: We recruited 734 consecutive patients with synucleinopathy and tauopathy at Ibn Rochd University Hospital of Casablanca. A group of 100 healthy controls was also