Motor intentional disorders in vascular mild cognitive impairment and vascular dementia of subcortical type

Doo Sang Yoon, Kihyo Jung, Geon Ha Kim, Sook Hui Kim, Byung Hwa Lee, Sang Won Seo, Heecheon You, Duk L. Na

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Subcortical vascular mild cognitive impairment (svMCI), a prodromal stage of subcortical vascular dementia (SVaD), is primarily associated with frontal injuries, whereas amnestic MCI (aMCI) is associated with temporoparietal injuries. Twenty-seven patients with svMCI, 20 with aMCI, 14 with SVaD, and 10 normal controls underwent motor intentional tasks (force initiation, development, maintenance, and termination) using a force dynamometer. Of the four motor intentional tasks, the maintenance task proved sensitive in differentiating svMCI from aMCI. In most motor intentional tasks, performances of svMCI patients were intermediate between those of controls and SVaD patients (initiation and termination: NC=aMCI=svMCI>SVaD; development: NC>aMCI=svMCI>SVaD; maintenance: NC=aMCI>svMCI=SVaD).

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalNeurocase
Volume20
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • Motor akinesia
  • Motor impersistence
  • Motor intentional disorder
  • Subcortical vascular dementia
  • Subcortical vascular mild cognitive impairment

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