In this open-label study, rivastigmine-treated patients were less behaviourally impaired, and caregiver burden was reduced, at 12 months, compared with baseline. The use of cholinesterase inhibitors in FTD warrants further research.

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Our findings show, in MS patients with stable neurological impairment and no recent disease exacerbation, a correlation between smell loss and the lesion load in the regions of the brain involved in olfaction and support the theory that the extent and severity of MRI abnormalities in specific brain regions are related to the presence of selective neurologic and neuropsychologic impairment.

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