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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.
Information Processing Approach01:30

Information Processing Approach

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 also...
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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 cerebellum's...

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Developmental differences in prefrontal activation during working memory maintenance and manipulation for different

Dietsje D Jolles1, Sietske W Kleibeuker, Serge A R B Rombouts

  • 1Leiden Institute for Brain and Cognition (LIBC), Leiden University, The Netherlands. d.d.jolles@lumc.nl

Developmental Science
|June 17, 2011
PubMed
Summary
This summary is machine-generated.

Working memory development shows age-related improvements in children and adults. Functional MRI reveals that the right dorsolateral prefrontal cortex (DLPFC) is crucial for the manipulation aspect of working memory, particularly in adults.

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Area of Science:

  • Neuroscience
  • Cognitive Development
  • Developmental Psychology

Background:

  • Working memory is essential for cognitive development.
  • Key brain regions like DLPFC, VLPFC, and superior parietal cortex show increased engagement during development.
  • Previous research indicates these regions' importance in adult working memory.

Purpose of the Study:

  • Investigate the developmental role of DLPFC, VLPFC, and superior parietal cortex in working memory.
  • Differentiate the involvement of these regions in working memory manipulation versus maintenance under varying cognitive loads.
  • Examine age-related functional changes in these brain areas during a verbal working memory task.

Main Methods:

  • Functional MRI (fMRI) was used to measure brain activity.
  • Participants included 11-13-year-old children and young adults.
  • A verbal working memory task with varying loads was administered, focusing on the delay period to assess manipulation and maintenance functions.

Main Results:

  • Behavioral improvements in working memory were observed with age.
  • Functional changes were identified in DLPFC and VLPFC activation patterns between children and adults.
  • Right DLPFC showed a significant age-condition interaction, with adults exhibiting greater activation for manipulation versus maintenance at lower loads.

Conclusions:

  • Age-related differences in right DLPFC activation are specific to working memory manipulation, not general task difficulty or short-term memory capacity.
  • The findings highlight the developing role of the right DLPFC in cognitive processes requiring active manipulation of information.
  • This study contributes to understanding the neural underpinnings of working memory development in school-aged children and adolescents.