Tablet-based SDMT: Digital metric validation and within-task learning in MCI and dementia - Summary - MDSpire
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Validating a Tablet-Based SDMT and Assessing Within-Task Learning in Mild Cognitive Impairment and Dementia

  • By

  • Leon Nissen

  • Alexander Hanke

  • Florian Schweizer

  • Yinqi Liu

  • Fabian Kahl

  • Carolin Rosendahl

  • Kristin Rolke

  • Judith Tillmann

  • Philipp Schaper

  • Klaus Weckbecker

  • Jochen René Thyrian

  • Stephan Jonas

  • Michael Wagner

  • Lara Marie Reimer

  • October 11, 2026

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Objective:

To assess whether tablet-based SDMT outcomes correspond with oral SDMT performance, whether the digitally derived Performance Index is valid in a memory-clinic population, and what learning effects and interaction patterns occur during digital testing.

Approach:
  • Design and setting: Cross-sectional validation study at the memory clinic of University Hospital Bonn, Germany.
  • Participants and context: Participants were referred from general-practice screening through the iCreate study for further memory-clinic assessment; the intended cohort reflected a triage population with varied cognitive concerns.
  • Measures and analyses: The study re-implemented the SDMT Performance Index in a tablet-based assessment, compared digital and oral SDMT outcomes, tested validity against neuropsychological reference measures and digital-pen handwriting, and explored timing, interaction, and incident…
Interpretation:

The provided context describes the study rationale, research questions, and planned methods but does not report results.

Limitations:
  • The supplied article context ends during the Methods section and contains no results or discussion.
  • Participant numbers, diagnostic composition, detailed procedures, and statistical findings are not provided.

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