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Related Experiment Videos

Cognitive performance after stroke--the Framingham Heart Study.

Galit Weinstein1, Sarah R Preis, Alexa S Beiser

  • 1Department of Neurology, Boston University School of Medicine, Framingham, MA, USA; The Framingham Heart Study, Framingham, MA, USA.

International Journal of Stroke : Official Journal of the International Stroke Society
|October 30, 2014
PubMed
Summary
This summary is machine-generated.

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Clinical stroke significantly impacts cognitive function, leading to poorer performance in memory, learning, language, and executive functions. These deficits persist even after accounting for pre-stroke cognition and vascular risk factors.

Area of Science:

  • Neurology
  • Cognitive Science
  • Epidemiology

Background:

  • Individuals at high risk for stroke often experience cognitive impairment due to shared vascular risk factors.
  • Clinical stroke is a known risk factor for developing dementia later in life.
  • The specific cognitive domains affected by stroke in initially non-demented individuals require further clarification.

Purpose of the Study:

  • To identify the specific cognitive domains impacted by clinical stroke.
  • To differentiate the effects of stroke on cognition from pre-existing cognitive function and vascular risk factors.

Main Methods:

  • A cohort of 132 participants from the Framingham study with prospectively validated strokes were compared to age- and gender-matched controls.
  • Cognitive evaluations were conducted approximately six months post-stroke.
Keywords:
cerebrovascular diseasecognitive functionneuropsychology matched cohort studystroke-related outcomesvascular risk factors

Related Experiment Videos

  • Linear regression models were employed to analyze cognitive score differences, adjusting for prestroke Mini-Mental State Examination (MMSE) scores and vascular risk factors.

    • Main Results:

    • Stroke survivors demonstrated significantly poorer performance in immediate recall of logical and visual memories.
    • Deficits were also observed in verbal learning, language (Boston naming test), executive function (digit span backward), and visuospatial/motor skills (block design).
    • These cognitive declines were evident independently of prestroke cognitive status and vascular risk factors.

    Conclusions:

    • Clinical stroke is associated with a subsequent decline across multiple cognitive domains.
    • The observed cognitive impairments following stroke are not solely attributable to pre-stroke cognitive function or the presence of vascular risk factors.