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Published on: December 29, 2023
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Cognitive Impairments Impact Functional Mobility in Stroke Survivors
Anjali Tiwari1, Stefan Delmas1, Sharon N Poisson2
1Department of Health and Exercise Science, Colorado State University, Fort Collins, Colorado, USA.
Neurorehabilitation and Neural Repair
|December 8, 2025
Summary
Cognitive impairments significantly hinder functional mobility in stroke survivors, especially in driving tasks. Early cognitive assessment and intervention are crucial for improving independence.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Cognitive Science
Background:
- Functional mobility is key for independence in stroke survivors, involving both motor and cognitive functions.
- While motor impairments are well-studied, the impact of cognitive deficits on mobility post-stroke is often overlooked.
Purpose of the Study:
- To assess how cognitive impairments affect functional mobility in stroke survivors across various tasks.
- To investigate if cognitive impairment differentially impacts different types of mobility.
Main Methods:
- Compared 40 stroke survivors (20 cognitively normal, 20 impaired) and 30 healthy adults.
- Utilized extensive neuropsychological tests, motor assessments (Modified Rankin Scale, strength), and functional mobility tests (balance, walking, driving simulator).
Main Results:
- Stroke survivors with cognitive impairment showed significantly worse functional mobility than cognitively normal survivors and healthy adults.
- Driving performance deteriorated most significantly, followed by balance and walking, independent of disability level or motor strength.
Conclusions:
- Cognitive impairments in stroke survivors lead to substantial mobility deficits, particularly in driving.
- Prioritizing cognitive evaluation and intervention is vital for enhancing functional mobility and independence in stroke survivors.
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