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  5. Smaller total and subregional cerebellar volumes in posttraumatic stress disorder: a mega-analysis by the ENIGMA-PGC PTSD workgroup

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Article
en
2024

Smaller total and subregional cerebellar volumes in posttraumatic stress disorder: a mega-analysis by the ENIGMA-PGC PTSD workgroup

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0 Files

en
2024
Vol 29 (3)
Vol. 29
DOI: 10.1038/s41380-023-02352-0

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Dan Joseph Stein
Dan Joseph Stein

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Ashley A. Huggins
C. Lexi Baird
Melvin Briggs
+97 more

Abstract

Although the cerebellum contributes to higher-order cognitive and emotional functions relevant to posttraumatic stress disorder (PTSD), prior research on cerebellar volume in PTSD is scant, particularly when considering subregions that differentially map on to motor, cognitive, and affective functions. In a sample of 4215 adults (PTSD n = 1642; Control n = 2573) across 40 sites from the ENIGMA-PGC PTSD working group, we employed a new state-of-the-art deep-learning based approach for automatic cerebellar parcellation to obtain volumetric estimates for the total cerebellum and 28 subregions. Linear mixed effects models controlling for age, gender, intracranial volume, and site were used to compare cerebellum volumes in PTSD compared to healthy controls (88% trauma-exposed). PTSD was associated with significant grey and white matter reductions of the cerebellum. Compared to controls, people with PTSD demonstrated smaller total cerebellum volume, as well as reduced volume in subregions primarily within the posterior lobe (lobule VIIB, crus II), vermis (VI, VIII), flocculonodular lobe (lobule X), and corpus medullare (all p-FDR < 0.05). Effects of PTSD on volume were consistent, and generally more robust, when examining symptom severity rather than diagnostic status. These findings implicate regionally specific cerebellar volumetric differences in the pathophysiology of PTSD. The cerebellum appears to play an important role in higher-order cognitive and emotional processes, far beyond its historical association with vestibulomotor function. Further examination of the cerebellum in trauma-related psychopathology will help to clarify how cerebellar structure and function may disrupt cognitive and affective processes at the center of translational models for PTSD.

How to cite this publication

Ashley A. Huggins, C. Lexi Baird, Melvin Briggs, Sarah Laskowitz, Ahmed Hussain, Samar Fouda, Courtney C. Haswell, Delin Sun, Lauren E. Salminen, Neda Jahanshad, Sophia I. Thomopoulos, Dick J. Veltman, Jessie L. Frijling, Miranda Olff, Mirjam van Zuiden, Saskia B.J. Koch, Laura Nawjin, Li Wang, Ye Zhu, Gen Li, Dan Joseph Stein, Jonathan Ipser, Soraya Seedat, Stéfan du Plessis, Leigh van den Huevel, Benjamin Suarez‐Jimenez, Xi Zhu, Yoojean Kim, Xiaofu He, Sigal Zilcha‐Mano, Amit Lazarov, Yuval Neria, Jennifer S. Stevens, Kerry J. Ressler, Tanja Jovanović, Sanne J.H. van Rooij, Negar Fani, Anna R. Hudson, Sven C. Mueller, Anika Sierk, Antje Manthey, Henrik Walter, Judith K. Daniels, Christian Schmahl, Julia Herzog, Pavel Říha, Ivan Rektor, Lauren A. M. Lebois, Milissa L. Kaufman, Elizabeth A. Olson, Justin T. Baker, Isabelle M. Rosso, Anthony P. King, Isreal Liberzon, Mike Angstadt, Nicholas D. Davenport, Scott R. Sponheim, Seth G. Disner, Thomas Straube, David Hofmann, Rongfeng Qi, Guangming Lu, Lee A. Baugh, Gina L. Forster, Raluca M. Simons, Jeffrey S. Simons, Vincent A. Magnotta, Kelene A. Fercho, Adi Maron‐Katz, Amit Etkin, Andrew S. Cotton, Erin N. O’Leary, Hong Xie, Xin Wang, Yann Quidé, Wissam El‐Hage, Shmuel Lissek, Hannah Berg, Steven E. Bruce, Josh M. Cisler, Marisa Ross, Ryan J. Herringa, Daniel W. Grupe, Jack B. Nitschke, Richard J. Davidson, Christine L. Larson, Terri A. deRoon‐Cassini, Carissa W. Tomas, Jacklynn M. Fitzgerald, Jennifer Urbano Blackford, Bunmi O. Olatunji, William S. Kremen, Michael J. Lyons, Carol E. Franz, Evan M. Gordon, Geoffrey May, Scott M. Nelson, Chadi G. Abdallah, Ifat Levy, Ilan Harpaz‐Rotem (2024). Smaller total and subregional cerebellar volumes in posttraumatic stress disorder: a mega-analysis by the ENIGMA-PGC PTSD workgroup. , 29(3), DOI: https://doi.org/10.1038/s41380-023-02352-0.

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Publication Details

Type

Article

Year

2024

Authors

100

Datasets

0

Total Files

0

Language

en

DOI

https://doi.org/10.1038/s41380-023-02352-0

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