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Related Concept Videos

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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 information.
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Related Experiment Video

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Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
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Published on: January 23, 2017

Attention and visuospatial working memory share the same processing resources.

Jing Feng1, Jay Pratt, Ian Spence

  • 1Rotman Research Institute, Baycrest Centre for Geriatric Care Toronto, ON, Canada.

Frontiers in Psychology
|April 25, 2012
PubMed
Summary
This summary is machine-generated.

Attention and visuospatial working memory (VWM) share processing resources. Increased load on one task reciprocally increased interference on the other, confirming shared cognitive resources.

Keywords:
attentional resourcedual-taskvisuospatial working memoryworking memory resource

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Attention and visuospatial working memory (VWM) exhibit similar capacity limits (approx. 4 items) and overlapping neural substrates.
  • The precise nature of the resource overlap between attention and VWM remains an area of investigation.

Purpose of the Study:

  • To investigate whether attention and VWM utilize shared processing resources.
  • To quantify the interference effects between attention and VWM under varying cognitive loads.

Main Methods:

  • Employed a novel dual-task costs approach utilizing a load-varying dual-task technique.
  • Systematically manipulated task loads for both attention and VWM to measure reciprocal interference.

Main Results:

  • Significant interference between attention and VWM was observed with sufficiently high task loads.
  • Increasing the load on either attention or VWM led to reciprocal increases in interference on the other process.
  • Analysis of dual-task costs across four experiments indicated no significant contribution from non-shared processing resources.

Conclusions:

  • The findings provide strong evidence that attention and visuospatial working memory share common processing resources.
  • This shared resource model explains the observed interference patterns under dual-task conditions.