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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: Feb 19, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Visual working memory can selectively reset a subset of its representations.

Halely Balaban1,2, Trafton Drew3, Roy Luria4,5

  • 1Sagol School of Neuroscience, Tel Aviv University, 6997801, Tel Aviv, Israel. halelyba@mail.tau.ac.il.

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Visual working memory (VWM) resetting discards only irrelevant object representations, not all of them. This process is local, removing only representations with lost mappings, unaffected by memory load.

Keywords:
CorrespondenceResettingVisual working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Perception

Background:

  • Visual working memory (VWM) is crucial for temporarily storing and manipulating visual information.
  • The VWM resetting process is essential for updating memory contents when environmental information changes.
  • Understanding the scope of VWM resetting is key to elucidating memory dynamics.

Purpose of the Study:

  • To investigate whether partial loss of object-environment mappings triggers a complete or partial reset of VWM contents.
  • To determine if the VWM resetting process is localized to specific representations or affects the entire memory set.
  • To examine the impact of lost mappings on VWM performance and its relationship with set-size.

Main Methods:

  • Subjects monitored dynamic visual stimuli (moving polygons) for shape changes.
  • A subset of trials involved object separation, rendering the original object-environment mapping irrelevant.
  • Performance costs (missed shape changes) were measured during the VWM resetting period.

Main Results:

  • A performance cost was observed specifically for shape changes occurring during the resetting of the separated item.
  • This cost was greater when more object mappings were lost.
  • The performance cost was independent of the overall number of items held in VWM (set-size).

Conclusions:

  • VWM resetting is a localized process, targeting only those representations whose mappings have become irrelevant.
  • The extent of resetting is proportional to the number of lost mappings, not the overall memory load.
  • These findings refine our understanding of how visual working memory manages and updates its contents dynamically.