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Comment & Response
November 2017

Dual-Task Gait and Incident DementiaA Step Forward, but Not There Yet

Author Affiliations
  • 1Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
  • 2Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
  • 3Department of Radiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
  • 4Department of Neurology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
JAMA Neurol. 2017;74(11):1380. doi:10.1001/jamaneurol.2017.2874

To the Editor We read with interest the study by Montero-Odasso et al1 that shows that low dual-task gait speed is a sensitive marker of imminent dementia onset among patients with mild cognitive impairment (MCI). The study has important implications for dementia risk stratification among patients with MCI, which may help to select patients with MCI for putative neuroprotective clinical trials that aim to delay the clinical onset of dementia. However, 3 important gaps in knowledge remain.

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