ArticleAlzheimer's & dementia (Amsterdam, Netherlands)
The classification of mild cognitive impairment or healthy ageing improves when including practice effects derived from a semantic verbal fluency task.
Article in Alzheimer's & dementia (Amsterdam, Netherlands). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The classification of mild cognitive impairment or healthy ageing improves when including practice effects derived from a semantic verbal fluency task.Alzheimer's & dementia (Amsterdam, Netherlands)Article
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4 authors.
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Abstract
introductionPractice effects are an improvement in task performance with repeated testing. Their absence may indicate compromised learning and may help discriminate healthy from pathological ageing.
methodsWe recorded semantic verbal fluency three times in
resultsWe found smaller practice effects in patients with amnestic MCI. There was a 13% improvement in classification performance with features from the third cognitive assessment as compared to the first assessment. Practice effects correlated with episodic memory performance in healthy adults. DISCUSSION: Speech features became more informative for classification when repeatedly assessed. They may be a promising tool for identifying individuals at risk of cognitive decline. Highlights: In MCI, practice effects in verbal fluency tasks were smaller than in healthy adults.Smaller practice effects in MCI indicated compromised learning.Including practice effects improved the classification of MCI vs. healthy ageing.In MCI, practice effects were independent of episodic memory performance.
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