Related Experiment Video
Updated: Jul 14, 2026

MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
Published on: December 13, 2017
Risk of incident dementia in essential tremor: a population-based study
Félix Bermejo-Pareja1, Elan D Louis, Julián Benito-León
1Department of Neurology, University Hospital 12 de Octubre, Madrid, Spain.
Abstract:
Essential tremor (ET) is a late-life neurological disease. Mild cognitive deficits as well as an association with prevalent dementia have been reported in recent case-control studies. We determined whether ET was associated with an increased risk of incident dementia. In a population-based study of older people in central Spain (NEDICES), nondemented ET cases and controls were followed prospectively. Incident dementia at follow-up was diagnosed using DSM-IV criteria and the risk of incident dementia was estimated in ET cases versus controls using Cox proportional hazards models. 3,891 participants had a mean duration of follow-up of 3.2 years. Sixteen (7.8%) of 206 ET cases developed incident dementia versus 145 (3.9%) of 3,685 controls (unadjusted relative risk [RR]=2.08, 95% CI=1.24-3.50, P=0.006 and adjusted RR=1.66, 95% CI=0.99-2.80, P=0.054). In an adjusted model, ET cases with tremor onset after age 65 years were twice as likely to develop incident dementia than were controls (RR=1.98, 95% CI=1.14-3.45, P=0.01), whereas ET cases with tremor onset
Related Concept Videos
Alzheimer Disease l: Introduction
Parkinson Disease l: Introduction
Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...
Dementia l: Introduction
Dementia
The progression of dementia is generally gradual.
Alzheimer Disease ll: Pathophysiology
