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Updated: Jun 29, 2026
05:21
Computerized Adaptive Testing System of Functional Assessment of Stroke
Published on: January 7, 2019
6.2K
Acute post-stroke cognitive test performance predicts one-year functional independence
Alan Romanowski1,2, Kathleen Langbehn3, Maurizio Corbetta4,5
1Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa, USA.
Medrxiv : the Preprint Server for Health Sciences
|December 25, 2025
Summary
General cognitive ability (g) predicts functional outcomes after stroke. This cognitive measure and visuospatial abilities are key predictors of long-term recovery and independence.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Rehabilitation Medicine
Background:
- General cognitive ability (g) is a validated predictor of life outcomes in healthy individuals.
- The predictive value of g for functional outcomes following stroke remains largely unexplored.
Purpose of the Study:
- To investigate whether general cognitive ability (g) can predict functional outcomes 12 months after stroke.
- To compare the predictive utility of g against individual neuropsychological tests.
Main Methods:
- Exploratory structural equation modeling was used to derive g from 15 neuropsychological tests in 112 stroke patients.
- Logistic regressions analyzed the prediction of the Functional Assessment Measure (FAM) and Functional Independence Measure (FIM) by g and individual tests.
Main Results:
- General cognitive ability (g) significantly predicted the FAM and the cognitive subscale of the FIM.
- Visuospatial ability measures emerged as the most robust individual predictors of functional outcomes.
Conclusions:
- Cognitive assessments, including g, administered acutely can forecast functional independence one year post-stroke.
- Both g and specific visuospatial tests are critical for predicting stroke recovery.
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