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Multiscale neural signatures of major depressive, anxiety, and stress-related disorders.


ABSTRACT: SignificanceMajor depressive, anxiety, and stress-related disorders are highly comorbid and may affect similar neurocircuitry and cognitive processes. However, the neurocircuitry underlying shared dimensions of cognitive impairment is unclear and holds the promise of reimagining psychiatric nosology. Here we leverage population imaging data (n = 27,132) to show that while major depressive and anxiety disorders share functional and structural neural signatures, stress-related disorders are distinct from these two conditions. We report that better cognitive function is associated with lower connectivity of specific nodes of the default mode and frontoparietal networks. These findings provide population benchmarks for brain-cognition associations in healthy participants and those with lifetime major depressive and anxiety disorders, advancing our understanding of intrinsic brain networks underlying cognitive dysfunction.

SUBMITTER: Zhukovsky P 

PROVIDER: S-EPMC9191681 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Multiscale neural signatures of major depressive, anxiety, and stress-related disorders.

Zhukovsky Peter P   Wainberg Michael M   Milic Milos M   Tripathy Shreejoy J SJ   Mulsant Benoit H BH   Felsky Daniel D   Voineskos Aristotle N AN  

Proceedings of the National Academy of Sciences of the United States of America 20220601 23


The extent of shared and distinct neural mechanisms underlying major depressive disorder (MDD), anxiety, and stress-related disorders is still unclear. We compared the neural signatures of these disorders in 5,405 UK Biobank patients and 21,727 healthy controls. We found the greatest case–control differences in resting-state functional connectivity and cortical thickness in MDD, followed by anxiety and stress-related disorders. Neural signatures for MDD and anxiety disorders were highly concorda  ...[more]

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