ArticleAlzheimer's & dementia (Amsterdam, Netherlands)
Refining cognitive dispersion metrics for brain-behavior prediction in aging and mild cognitive impairment.
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.
- Refining cognitive dispersion metrics for brain-behavior prediction in aging and mild cognitive impairment.Alzheimer's & dementia (Amsterdam, Netherlands)Article
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Abstract
introductionThis study addresses three key issues in the standardization of cognitive dispersion: its operationalizations though intra-individual standard deviation (ISD) versus coefficient of variation (CoV), its reliability, and its dependence on the size of the neuropsychological battery.
methodsCognitive dispersion was calculated in 318 older adults (M
resultsWe found that ISD, modeled jointly with mean cognitive performance, was a stronger predictor of entorhinal cortex thickness than CoV, which obscured critical mean-dispersion interactions. DISCUSSION: These findings suggest that ISD, rather than CoV, offers a more valid quantification of cognitive dispersion, and that dispersion measures are most informative when derived from adequately comprehensive neuropsychological batteries.
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