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Related Concept Videos

Working Memory01:24

Working Memory

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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: Apr 12, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children &#8211; Working Memory (CABC-WM)
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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

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Computerized spatial delayed recognition span task: a specific tool to assess visuospatial working memory.

Corina Satler1, Flávia Schechtman Belham2, Ana Garcia3

  • 1Faculty of Ceilandia, University of Brasilia Brasilia, Brazil.

Frontiers in Aging Neuroscience
|May 13, 2015
PubMed
Summary
This summary is machine-generated.

A new tablet app for the Spatial Delayed Recognition Span Task (SDRST) reliably measures visuospatial Working Memory (WM) across age groups, dementia patients, and even capuchin monkeys.

Keywords:
agingelectrophysiologyneuropsychological testsnon-human primatespsychology software toolstablet devicevisuospatial abilitiesworking memory

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Area of Science:

  • Cognitive Neuroscience
  • Human-Computer Interaction
  • Primate Cognition

Background:

  • Visuospatial Working Memory (WM) is crucial for cognitive function.
  • Existing WM tasks may lack accessibility or modern technological integration.
  • Touchscreen technology offers new avenues for cognitive assessment.

Purpose of the Study:

  • To develop and validate a tablet-based Spatial Delayed Recognition Span Task (SDRST) for assessing visuospatial WM.
  • To investigate the task's sensitivity to age-related cognitive decline and dementia.
  • To explore its applicability in non-human primates.

Main Methods:

  • Development of an iOS-based SDRST application for touchscreen devices.
  • Conducted three experiments with varying participant groups (young, old, Alzheimer's patients, capuchin monkeys) and stimuli.
  • Utilized performance metrics (scores, response time) and electrophysiological recordings.

Main Results:

  • The SDRST app demonstrated sensitivity to cognitive differences across age and dementia status.
  • Performance varied significantly with stimulus type (faces > scenes, emotional > neutral).
  • Electrophysiology confirmed activation in brain regions associated with WM and attention; capuchin monkeys performed above chance.

Conclusions:

  • The SDRST tablet app is a reliable tool for measuring visuospatial WM in diverse populations, including humans and non-human primates.
  • Its accessibility via a free app facilitates widespread use in various settings.
  • The findings support the use of touchscreen technology for cognitive assessments.