Exploring Olfactory Function and Its Relation with Behavioral and Cognitive Impairment in Amyotrophic Lateral Sclerosis Patients: A Cross-Sectional Study

Abstract

Hyposmia is common in a subset of ALS patients and strongly associated with behavioral and cognitive impairment. Olfactory testing may represent an early screening tool in order to identify ALS subjects with cognitive/behavioral dysfunction. Further studies in larger series are mandatory in order to better investigate clinical and pathological aspects in this group of patients.