Intraindividual standard deviation

Biomarker

1 paper2 findings

  • Humans1

Associations

2

Bilateral entorhinal cortical thickness

upin humans1

1 study
  1. Intraindividual standard deviation predicts bilateral entorhinal cortical thickness in humans.

    “ISD in context of OTBM, i.e., including the interaction between OTBM and ISD as an independent variable, was more effective in predicting CU/MCI classification and entorhinal cortical thickness than CoV alone”

    Humansin context of overall test battery mean (interaction)entorhinal cortexfemale 65%sn = 200

    Intraindividual standard deviation vs. Coefficient of variation: a comparative analysis of late‐life cognitive dispersion

    AAIC 2025 abstract24 Dec 2025

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Amnestic mild cognitive impairment

upin humans1

1 study
  1. Intraindividual standard deviation predicts amnestic mild cognitive impairment in humans.

    “ISD in context of OTBM, i.e., including the interaction between OTBM and ISD as an independent variable, was more effective in predicting CU/MCI classification and entorhinal cortical thickness than CoV alone”

    Humansin context of overall test battery mean (interaction)female 65%sn = 200

    Intraindividual standard deviation vs. Coefficient of variation: a comparative analysis of late‐life cognitive dispersion

    AAIC 2025 abstract24 Dec 2025

More on Amnestic mild cognitive impairment

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Neuropsychology

Cognitive variability links to white matter tracts in older adults

In 510 older adults, higher performance variability tracked lower anisotropy in specific tracts, with an effect size of 0.09 across 7.57% of whole-brain tract volume.In 510 older adults, higher performance variability tracked lower anisotropy in specific tracts, with an effect size of 0.09 across 7.57% of whole-brain tract volume.

Cohort study of 510 peopleBiomarkers