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Related Experiment Video

Updated: May 17, 2025

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

Published on: November 23, 2019

Working memory: Development, test-retest reliability, and sensitivity of the Digit Span computerized task during

Thais Frois¹, Ligia Linhares¹, Andressa Eliza¹

¹Neurosciences of Physical Activity and Sports Research Group, Universidade Federal de Minas Gerais ‑ UFMG - Brazil.

Applied Neuropsychology. Adult

|May 16, 2025

Summary

This summary is machine-generated.

This study tested a computerized Digit Span task for assessing working memory during exercise. While heart rate measures were reliable, the task showed moderate reliability, suggesting a need for improvements in sports science research.

Keywords:

Computerized task digit span instrument physical exercise reliability sensitivity working memory

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Area of Science:

Neuroscience
Sports Science
Cognitive Psychology

Background:

Executive functions, including working memory, are vital for decision-making in sports.
Physical activity induces neurobiological changes that can affect cognitive performance.
Assessing executive functions during exercise requires specialized, reliable testing methods.

Purpose of the Study:

To evaluate the reliability and sensitivity of a computerized Digit Span task for measuring working memory during physical exercise.
To determine if the task can accurately detect changes in working memory during moderate exercise.

Main Methods:

Eleven healthy men underwent three testing sessions with a one-week interval.
Participants completed questionnaires and anthropometric measurements.
A computerized Digit Span task was administered during a 30-minute moderate exercise protocol.

Main Results:

Heart rate measures demonstrated good to excellent reliability.
The computerized Digit Span task exhibited moderate reliability, especially in the backward condition.
Sensitivity analysis indicated that measurement error was generally lower than the smallest worthwhile change.

Conclusions:

The computerized Digit Span task shows potential for assessing working memory during exercise, but its reliability needs enhancement for sports applications.
Methodological refinements are necessary to improve the task's consistency and validity in exercise settings.