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Related Experiment Video

Updated: May 20, 2026

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

Age-Dependent Relationships between Prefrontal Cortex Activation and Processing Efficiency.

Michael A Motes1, Bharat B Biswal, Bart Rypma

  • 1School of Behavioral & Brain Sciences, University of Texas at Dallas.

Cognitive Neuroscience
|July 14, 2012
PubMed
Summary
This summary is machine-generated.

Functional magnetic resonance imaging (fMRI) revealed age-related differences in brain activity. Older adults showed increased prefrontal cortex (PFC) activity with better performance, unlike younger adults.

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An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
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An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

Related Experiment Videos

Last Updated: May 20, 2026

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

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

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Aging Research

Background:

  • Age-related cognitive decline is a significant concern.
  • Understanding the neural mechanisms of processing efficiency differences is crucial for developing interventions.

Purpose of the Study:

  • To investigate the neural basis of age-related differences in processing efficiency.
  • To examine the role of the prefrontal cortex (PFC) in these age-related changes.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was employed.
  • Participants (older and younger adults) completed a processing efficiency task.
  • BOLD signal changes in the PFC were correlated with task performance.

Main Results:

  • Younger participants showed decreased PFC BOLD signal with improved performance.
  • Older participants exhibited increased PFC BOLD signal with improved performance.
  • Differential PFC activity patterns were observed between age groups.

Conclusions:

  • PFC resource availability and utilization mediate age-related changes in processing efficiency.
  • Findings suggest distinct neural strategies for maintaining cognitive function in aging.
  • The study highlights the dynamic role of the PFC across the lifespan.