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Related Concept Videos

Working Memory01:24

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: Jun 8, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Method matters: systematic effects of testing procedure on visual working memory sensitivity.

Tal Makovski1, Leah M Watson, Wilma Koutstaal

  • 1Department of Psychology, Center for Cognitive Sciences, University of Minnesota, Twin Cities, MN 55455, USA. tal.makovski@gmail.com

Journal of Experimental Psychology. Learning, Memory, and Cognition
|September 22, 2010
PubMed
Summary
This summary is machine-generated.

Visual working memory (WM) is not as robust as previously thought. Testing procedures significantly impact memory sensitivity, revealing the labile nature of visual WM representations.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Visual working memory (WM) is traditionally viewed as a stable representation resistant to external changes.
  • However, recent findings suggest visual WM may be more susceptible to interference than previously assumed.

Purpose of the Study:

  • To investigate the influence of testing procedures on the sensitivity of visual working memory representations.
  • To challenge the traditional view of visual WM robustness.

Main Methods:

  • Participants memorized an array of colors.
  • Memory was tested using either a same-different task or a 2-alternative-forced-choice (2AFC) task after a short retention interval.
  • The impact of foreknowledge about the probed item and task type (WM vs. perceptual vs. long-term memory) was examined.

Main Results:

  • Memory sensitivity was significantly lower in the 2AFC task compared to the same-different task, irrespective of encoding similarity or memory resolution.
  • This 2AFC disadvantage was reduced when participants were informed about the probed item beforehand.
  • The disadvantage was less pronounced in perceptual tasks and absent in long-term memory tasks.

Conclusions:

  • Visual working memory representations are labile and susceptible to interference from the testing procedure.
  • The findings necessitate a revision of traditional memory models and highlight the importance of considering assessment methods.
  • This research has implications for understanding the format and evaluation of visual working memory.