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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: Nov 8, 2025

Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks

Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks

Published on: August 9, 2016

Resting-State EEG Microstates Parallel Age-Related Differences in Allocentric Spatial Working Memory Performance.

Adeline Jabès¹, Giuliana Klencklen¹, Paolo Ruggeri¹

¹Laboratory of Brain and Cognitive Development, Institute of Psychology, University of Lausanne, 1015, Lausanne, Switzerland.

Brain Topography

|April 19, 2021

Summary

This summary is machine-generated.

Older adults show reduced spatial working memory and altered resting-state electroencephalography (EEG) microstates, particularly maps C and C' related to frontal and parietal activity. These EEG changes parallel cognitive decline but do not reliably predict individual performance.

Keywords:

Electroencephalography Healthy aging Microstates Spontaneous brain activity Working memory performance

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Last Updated: Nov 8, 2025

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Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Published on: June 15, 2018

Area of Science:

Neuroscience
Cognitive Science
Gerontology

Background:

Resting-state electroencephalography (EEG) microstates reflect large-scale neuronal network dynamics.
Age-related changes in brain activity and cognitive function are well-documented.
EEG microstate organization may offer insights into cognitive aging.

Purpose of the Study:

To investigate age-related differences in resting-state EEG microstates.
To examine the relationship between EEG microstates and allocentric spatial working memory performance in healthy adults.
To determine if EEG microstates can predict individual cognitive capacities across the lifespan.

Main Methods:

Microstate analysis of resting-state EEG data.
Assessment of allocentric spatial working memory performance.
Comparison between young (25-30 years) and older (64-75 years) adult groups.

Main Results:

Older adults exhibited lower spatial working memory performance.
Significant age-related differences were observed in EEG microstate maps (A, B, C, C', D), especially C and C'.
Older adults showed reduced global explained variance and occurrence of maps C and C', with altered transition probabilities.

Conclusions:

Age-related alterations in specific EEG microstates (C, C') are associated with cognitive changes in healthy aging.
While EEG microstate dynamics parallel cognitive performance differences, they do not reliably predict individual spatial working memory capacity.
Further research is needed to explore the predictive potential of EEG microstate temporal dynamics for healthy cognitive aging.