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Updated: Jun 28, 2026
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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
The human claustrum supports cognitive networks for externally and internally driven task demands
Brent W Stewart1, Matthew A Cormie2, Michael L Keaser1
1Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, United States of America.
Plos Biology
|June 26, 2026
Summary
The claustrum, a brain region, plays a key role in cognitive control by supporting task-dependent network activity. This research reveals its involvement in managing both external and internal demands for better brain function.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Neuroimaging
Background:
- Cognitive control relies on dynamic interactions within brain networks.
- Dysfunction in these networks is linked to neuropsychiatric disorders.
- Neural mechanisms supporting task-dependent network activity remain unclear.
Purpose of the Study:
- To investigate the role of the claustrum in supporting task-dependent network activity in humans.
- To determine if claustrum activity and connectivity differ based on task demands (external vs. internal).
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used in human participants.
- Tasks included working memory (externally driven) and autobiographical memory (internally driven).
- Analysis included claustrum activity, anatomical connectivity, and effective connectivity.
Main Results:
- Claustrum activity significantly increased during both working memory and autobiographical memory tasks.
- The claustrum demonstrated anatomical connectivity with regions of multiple cognitive networks.
- Effective connectivity analysis suggested an excitatory influence of the claustrum on task-associated brain regions.
Conclusions:
- The claustrum is actively involved in supporting task-dependent network states crucial for cognitive control.
- Claustrum connectivity and response patterns differ from other key network-directing regions like the anterior insula and pulvinar.
- These findings highlight a novel role for the claustrum in cognitive processes.
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