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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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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
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Related Experiment Video

Updated: Aug 9, 2025

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

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Published on: July 16, 2015

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Crows protect visual working memory against interference.

Lysann Wagener1, Paul Rinnert1, Lena Veit2

  • 1Animal Physiology, Institute of Neurobiology, University of Tübingen, 72076 Tübingen, Germany.

The Journal of Experimental Biology
|February 22, 2023
PubMed
Summary
This summary is machine-generated.

Crows can actively protect working memory contents from distractors. Repeating a sample stimulus improved accuracy and speed, showing cognitive control in safeguarding information.

Keywords:
Corvid songbirdDistractor resistanceVisual working memory

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Area of Science:

  • Cognitive Science
  • Animal Behavior
  • Neuroscience

Background:

  • Working memory is crucial for intelligent behavior.
  • Limited working memory capacity necessitates protecting relevant information from distractors.
  • The capacity of avian working memory to resist distractors is not well understood.

Purpose of the Study:

  • To investigate whether carrion crows can resist distractors and safeguard memorized information in working memory.
  • To examine the cognitive control mechanisms employed by crows to protect working memory contents.

Main Methods:

  • Carrion crows were trained on a delayed match-to-sample task.
  • Performance was assessed under conditions with a repeated sample stimulus, a neutral interfering stimulus, and a non-match test stimulus during the memory delay.

Main Results:

  • Repeating the sample stimulus during the delay improved accuracy and reaction time.
  • The non-match test stimulus slightly impaired performance but did not overwrite sample information.
  • Crows demonstrated robust performance, indicating active protection of working memory contents.

Conclusions:

  • Carrion crows can actively control and safeguard behaviorally relevant working memory information.
  • These findings highlight sophisticated cognitive abilities in birds, comparable to those in primates.
  • The study provides evidence for active filtering and protection mechanisms within avian working memory.