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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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Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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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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Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
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Related Experiment Video

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Declarative and procedural working memory updating processes are mutually facilitative.

Anthony W Sali1,2,3, Tobias Egner4,5

  • 1Department of Psychology, Wake Forest University, Winston-Salem, NC, USA. saliaw@wfu.edu.

Attention, Perception & Psychophysics
|December 26, 2019
PubMed
Summary
This summary is machine-generated.

Updating information in working memory (WM) involves both declarative items and procedural rules. This study shows these processes mutually facilitate each other, improving cognitive control efficiency.

Keywords:
Cognitive and attentional controlExecutive controlTask switchingWorking memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Executive function, or cognitive control, guides information processing towards internal goals.
  • Key components include regulating declarative working memory (WM) contents and updating task sets (procedural rules).
  • The precise relationship between these updating processes remains unclear due to limited simultaneous testing.

Purpose of the Study:

  • To investigate the relationship between updating declarative items and procedural task sets in working memory.
  • To determine if these processes share a common bottleneck or interact.
  • To provide novel evidence on the interplay of declarative and procedural updating in executive function.

Main Methods:

  • Developed a novel method to independently manipulate declarative item-updating and procedural task-updating in WM.
  • Conducted two experiments to assess the interaction between these updating processes.
  • Performed a third experiment to evaluate the behavioral cost of updating multiple declarative items.

Main Results:

  • Declarative and procedural WM updating interacted subadditively, indicating they are not limited by a common bottleneck.
  • Updating two declarative items simultaneously did not result in a significant response time cost compared to one item.
  • These findings suggest a mutual facilitation between updating declarative and procedural WM representations.

Conclusions:

  • The updating of declarative and procedural information in working memory is mutually facilitative.
  • Updating declarative content can reduce the time required for procedural updating, and vice versa.
  • This research offers new insights into the interconnected nature of executive functions.