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Related Concept Videos

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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Related Experiment Video

Updated: May 27, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
08:36

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

Capacity-speed relationships in prefrontal cortex.

Vivek Prabhakaran1, Bart Rypma, Nandakumar S Narayanan

  • 1Radiology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America. vprabhakaran@uwhealth.org

Plos One
|December 2, 2011
PubMed
Summary
This summary is machine-generated.

Working memory capacity and processing speed are linked by right prefrontal brain activity. This suggests strategic memory consolidation may be the neural mechanism connecting these cognitive functions.

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Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
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Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Related Experiment Videos

Last Updated: May 27, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
08:36

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Psychology

Background:

  • Working memory (WM) capacity and processing speed are fundamental cognitive abilities.
  • Behavioral studies indicate an interrelation between WM capacity and speed.
  • The underlying neural mechanisms of this interdependence remain unclear.

Purpose of the Study:

  • To identify distinct brain regions associated with WM capacity.
  • To identify distinct brain regions associated with WM processing speed.
  • To elucidate the neural basis of the interdependence between WM capacity and speed.

Main Methods:

  • Two functional MRI (fMRI) studies were conducted.
  • Experiment 1 used a block-design verbal WM task to assess capacity.
  • Experiment 2 used a single-trial verbal WM task to assess processing speed.

Main Results:

  • Increased WM capacity correlated with heightened activity in right prefrontal regions.
  • Increased WM processing speed correlated with heightened activity in similar right prefrontal regions.
  • Overlap analysis revealed potential involvement of binding/chunking regions.

Conclusions:

  • Right prefrontal areas appear to be a common neural substrate for both WM capacity and speed.
  • Strategic memory consolidation processes may serve as the mechanism linking WM capacity and speed.
  • These findings advance our understanding of the neural architecture of working memory.