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Related Experiment Video

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Universal Screening for Prevention of Reading, Writing, and Math Disabilities in Spanish

Universal Screening for Prevention of Reading, Writing, and Math Disabilities in Spanish

Published on: July 18, 2020

Developmental pattern of digit span in Spanish population.

María Victoria Sebastián¹, Laura Hernández-Gil

¹Universidad Complutense de Madrid, 28223 Madrid, Spain. mvsebastian@psi.ucm.es

|March 17, 2012

Summary

This study shows that working memory, specifically the phonological loop, continues developing in Spanish individuals until age 17. This contrasts with Anglo-Saxon data and suggests age impacts this cognitive function more than dementia.

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Area of Science:

Neuroscience
Cognitive Psychology
Developmental Psychology

Background:

Working memory is crucial for cognitive functions.
The phonological loop, a component of working memory, is assessed using digit span tasks.
Previous research indicates differing developmental trajectories for cognitive functions across populations.

Purpose of the Study:

To investigate the developmental trajectory of the phonological loop in a Spanish population.
To compare Spanish developmental data with existing Anglo-Saxon data.
To examine the influence of aging and dementia on the phonological loop.

Main Methods:

A verbal digit span test was administered to 570 Spanish participants aged 5 to 17.
Results were compared with data from healthy elderly, Alzheimer's disease, and Frontotemporal dementia patients.

Main Results:

Digit memory span in the Spanish sample continued to increase until age 17.
This developmental pattern differs from Anglo-Saxon data, where the peak is observed by age 15.
Phonological loop function appears more sensitive to age-related changes than to dementia in the studied groups.

Conclusions:

The phonological loop shows a prolonged developmental period in Spanish individuals compared to Anglo-Saxon populations.
Aging significantly impacts the phonological loop, whereas dementia has a less pronounced effect.
These findings highlight population-specific developmental patterns in working memory components.