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Related Experiment Video

Updated: Sep 27, 2025

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
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Post-Stroke Cognitive Impairment and Dementia.

Natalia S Rost1, Amy Brodtmann2,3, Matthew P Pase3,4

  • 1J. Philip Kistler Stroke Research Center (N.S.R., S.J.v.V., A. Biffi), Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston.

Circulation Research
|April 14, 2022
PubMed
Summary

Poststroke cognitive impairment and dementia (PSCID) significantly impacts stroke survivors. Understanding risk factors and improving diagnostic methods are crucial for prevention and better patient outcomes.

Keywords:
brain ischemiacerebral hemorrhagecognitive dysfunctiondementiasubarachnoid hemorrhagewhite matter

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Area of Science:

  • Neurology
  • Gerontology
  • Public Health

Background:

  • Poststroke cognitive impairment and dementia (PSCID) is a leading cause of disability and death globally.
  • PSCID arises from various stroke types and is influenced by comorbid neurodegenerative conditions and small vessel disease.

Purpose of the Study:

  • To review current understanding of PSCID, including risk factors and diagnostic challenges.
  • To highlight the need for harmonized definitions, assessments, and follow-up protocols in PSCID research.

Main Methods:

  • Review of existing literature on poststroke cognitive impairment and dementia.
  • Analysis of factors contributing to PSCID, including stroke characteristics and pre-existing brain pathology.

Main Results:

  • Older age, lower education, socioeconomic factors, prior cognitive decline, vascular risk factors, and prior stroke increase PSCID risk.
  • Stroke severity, lesion characteristics, and recurrence also influence cognitive outcomes.

Conclusions:

  • Harmonizing PSCID definitions and diagnostic approaches is essential for advancing research and clinical practice.
  • Preventing stroke and PSCID, alongside systematic cognitive assessment, is key to improving brain health in stroke survivors.