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Working Memory

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...

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Related Experiment Video

Updated: Oct 25, 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

Divergent Research Methods Limit Understanding of Working Memory Training.

Valentina Pergher¹, Mahsa Alizadeh Shalchy², Anja Pahor²

¹Department of Neurosciences, Laboratory for Neuro- and Psychophysiology, KU Leuven-University of Leuven, Leuven, Belgium.

Journal of Cognitive Enhancement : Towards the Integration of Theory and Practice

|August 6, 2021

Summary

Working memory training, particularly N-back tasks, shows varied results due to overlooked task features. More research is needed to understand how training and transfer task characteristics impact outcomes.

Keywords:

Cognitive functions Meta-analysis N-back Transfer Working memory training

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Area of Science:

Cognitive Psychology
Neuroscience
Human-Computer Interaction

Background:

Working memory training is widely studied, with ongoing debate regarding its efficacy and transfer effects.
Existing meta-analyses often lack detailed analysis of specific training and transfer task features.
The influence of task characteristics on working memory training outcomes remains underexplored.

Purpose of the Study:

To characterize the diversity of features in N-back working memory training tasks and outcome measures.
To identify gaps in the literature regarding the methodological features of working memory training studies.
To provide a foundation for future research investigating the mediators of training outcomes.

Main Methods:

Systematic characterization of features used in N-back training tasks across published studies.
Analysis of outcome measures employed to assess transfer effects in working memory training.
Review of existing meta-analyses to identify limitations in methodological diversity.

Main Results:

Significant diversity exists in the features of N-back training tasks and outcome measures.
Current meta-analyses are limited by the lack of studies with common methodologies for robust analysis.
Methodological heterogeneity precludes strong conclusions about the broad efficacy of working memory training.

Conclusions:

The efficacy of working memory training, especially N-back tasks, cannot be definitively concluded due to diverse methodologies.
Future research must systematically compare training features and use common outcome measures to assess transfer effects.
Advancing the field requires standardized approaches to studying working memory training and its transfer.