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Related Experiment Video

Updated: Dec 30, 2025

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Published on: September 20, 2020

Aging and n-Back Performance: A Meta-Analysis.

Kara L Bopp¹, Paul Verhaeghen²

¹Wofford College, Spartanburg, South Carolina.

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences

|January 17, 2020

Summary

Older adults show specific working memory deficits when items are outside immediate focus, impacting accuracy and response times. These age-related differences in n-back task performance highlight challenges with focus switching.

Keywords:

n-Back Attention Inhibition Working memory

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Published on: February 14, 2014

Area of Science:

Cognitive Psychology
Neuroscience
Human Aging Research

Background:

Working memory capacity and efficiency decline with age.
The n-back task is a standard measure of working memory updating and executive functions.
Previous research indicates age-related differences in cognitive tasks, but specific patterns in working memory remain under investigation.

Purpose of the Study:

To systematically review and synthesize age-related differences in n-back task performance.
To identify factors influencing performance disparities between younger and older adults on the n-back task.
To explore potential cognitive mechanisms underlying observed age effects.

Main Methods:

Systematic review and meta-analysis of existing studies on n-back performance.
Aggregation of data to quantify age-related differences in accuracy and response time.
Analysis of moderating factors such as stimulus type, pacing, and task difficulty.

Main Results:

Performance on the n-back task bifurcates: minimal age differences for items within focus (0-back, 1-back), but significant costs for items outside focus (n>1).
Older adults exhibit greater accuracy and response time costs, particularly with longer sequences and when updating information outside immediate attentional focus.
Specific factors like visual stimuli, experimenter pacing, and list length significantly moderate age-related differences in performance.

Conclusions:

Findings suggest a specific age-related deficit in the ability to switch focus within working memory.
The results provide mixed evidence for executive-control-related explanations of these age differences.
Interventions targeting focus switching may be crucial for mitigating age-related working memory decline.