Sunday, June 15, 2025

Global fMRI fluctuations are associated with systemic physiological changes | Phys.org

https://www.lsee.net/storage/app/media/logos/news/phys.org.pngJune 13, 2025 feature

Autonomic nervous system is key driver of global fMRI signal, study finds 

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Global fMRI fluctuations are associated with systemic physiological changes. Credit: Nature Neuroscience (2025). DOI: 10.1038/s41593-025-01945-y.

The activity of the human brain is known to be closely connected to other physiological signals, such as heart rate and breathing. A study by researchers at the University of California Los Angeles (UCLA) and other institutes reveals that a global spatiotemporal pattern in the brain (i.e. a pattern in brain activity that repeats itself across the brain and over time) is a central component of these brain-body interactions.

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Brain cortex structure linked to mental abilities and psychiatric disorders

by Ingrid Fadelli, Phys.org 
edited by Gaby Clark, reviewed by Robert Egan

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Regional plots for SA with CP. Credit: Nature Mental Health (2025). DOI: 10.1038/s44220-025-0 

The cerebral cortex, the outermost layer of the brain, is the central driver of various human capabilities, including decision-making, perception, language and memory. Understanding how the morphology (i.e., structure and shape) of people's cerebral cortex is related to their mental health is a long-standing goal for many neuroscientists, as it could help to predict the risk that people will develop specific neuropsychiatric conditions while also contributing to their diagnosis and potentially informing their treatment.

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