Abstract
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are multisystem neurodegenerative disorders with overlapping clinical and pathological characteristics and lie, therefore, on a disease continuum. ALS was historically seen as a "pure" motor function disease, however many patients can present with full-blown dementia (ALS-FTD) or more subtle behavioural and cognitive ch…