Maude-Marie Gagnon and Robert Jr. Laforce
Importance: Cognitive impairment is common among patients with stroke and early recognition can optimize patient care.
Objective: To determine the validity of computerized cognitive testing in an adult population with acute ischemic stroke.
Design: Validation study comparing computerized vs paper-pencil assessments at two time points three months apart in a stroke unit.
Main outcome: Correlation analyses between computerized (using CogState Brief Battery) and paper-pencil testing (using the Montreal Cognitive Assessment) both at study entry and follow-up visits.
Results: We found moderate to strong significant correlations between the two instruments at study entry and follow-up sessions. Executive dysfunctions were the main cognitive changes. Test-retest correlations were strong.
Conclusion and Relevance: The CogState Brief Battery is a valid alternative for clinicians who wish to measure cognitive skills following acute ischemic stroke. Limitations of computerized testing are discussed.
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