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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 information.

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Related Experiment Video

Updated: May 13, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Published on: September 18, 2021

Visual salience improves spatial working memory via enhanced parieto-temporal functional connectivity.

Valerio Santangelo¹, Emiliano Macaluso

¹Department of Human and Educational Sciences, University of Perugia, 06123 Perugia, Italy. valerio.santangelo@unipg.it

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience

|March 1, 2013

Summary

This summary is machine-generated.

Salient object features capture attention, improving memory recall. A parietotemporal brain circuit prioritizes these salient items for working memory encoding.

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Modeling the Functional Network for Spatial Navigation in the Human Brain

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Last Updated: May 13, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

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Published on: September 18, 2021

Modeling the Functional Network for Spatial Navigation in the Human Brain

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Area of Science:

Cognitive Neuroscience
Neuroimaging
Sensory Processing

Background:

The brain constantly processes numerous stimuli, but only a fraction reaches consciousness and memory.
Attention mechanisms are crucial for selecting relevant information based on goals and stimulus properties.

Purpose of the Study:

To investigate the neural mechanisms underlying memory access driven by intrinsic sensory properties.
To explore how object salience influences working memory encoding and retrieval.

Main Methods:

Functional magnetic resonance imaging (fMRI) was used to monitor brain activity in human subjects.
Behavioral tasks assessed memory performance for object locations after a retention interval.
Computational modeling was employed to analyze the interplay between attention, salience, and memory.

Main Results:

Memory performance improved with increased object salience during encoding, demonstrating a 'prior entry' effect.
Posterior parietal cortex showed selective activation for salient objects that were subsequently remembered.
Increased functional coupling between the parietal cortex and the medial-temporal lobe was observed for remembered objects.

Conclusions:

A parietotemporal circuit integrates sensory salience and memory demands for effective working memory encoding.
Attention-driven saliency signals play a key role in prioritizing information for spatial working memory.
This circuit facilitates the encoding of object-related spatial information into working memory.