{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T20:41:51Z","timestamp":1777927311687,"version":"3.51.4"},"reference-count":51,"publisher":"SAGE Publications","issue":"1-2","license":[{"start":{"date-parts":[[2023,12,29]],"date-time":"2023-12-29T00:00:00Z","timestamp":1703808000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Neurotrauma"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:p>\n                    Mild traumatic brain injury (mTBI) is the most common form of brain injury. While most individuals recover from mTBI, roughly 20% experience persistent symptoms, potentially including reduced fine motor control. We investigate relationships between regional white matter organization and subcortical volumes associated with performance on the Grooved Pegboard (GPB) test in a large cohort of military Service Members and Veterans (SM&amp;Vs) with and without a history of mTBI(s). Participants were enrolled in the Long-term Impact of Military-relevant Brain Injury Consortium-Chronic Effects of Neurotrauma Consortium. SM&amp;Vs with a history of mTBI(s) (\n                    <jats:italic toggle=\"yes\">n<\/jats:italic>\n                    \u2009=\u2009847) and without mTBI (\n                    <jats:italic toggle=\"yes\">n<\/jats:italic>\n                    \u2009=\u2009190) underwent magnetic resonance imaging and the GPB test. We first examined between-group differences in GPB completion time. We then investigated associations between GPB performance and regional structural imaging measures (tractwise diffusivity, subcortical volumes, and cortical thickness) in SM&amp;Vs with a history of mTBI(s). Lastly, we explored whether mTBI history moderated associations between imaging measures and GPB performance. SM&amp;Vs with mTBI(s) performed worse than those without mTBI(s) on the non-dominant hand GPB test at a trend level (\n                    <jats:italic toggle=\"yes\">p<\/jats:italic>\n                    \u2009&lt;\u20090.1). Higher fractional anisotropy (FA) of tracts including the posterior corona radiata, superior longitudinal fasciculus, and uncinate fasciculus were associated with better GPB performance in the dominant hand in SM&amp;Vs with mTBI(s). These findings support that the organization of several white matter bundles are associated with fine motor performance in SM&amp;Vs. We did not observe that mTBI history moderated associations between regional FA and GPB test completion time, suggesting that chronic mTBI may not significantly influence fine motor control.\n                  <\/jats:p>","DOI":"10.1089\/neu.2022.0094","type":"journal-article","created":{"date-parts":[[2023,9,11]],"date-time":"2023-09-11T06:35:41Z","timestamp":1694414141000},"page":"32-40","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Microstructural Organization of Distributed White Matter Associated With Fine Motor Control in US Service Members With Mild Traumatic Brain Injury"],"prefix":"10.1177","volume":"41","author":[{"given":"Benjamin S.C.","family":"Wade","sequence":"first","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California, Los Angeles, Los Angeles, California, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David F.","family":"Tate","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eamonn","family":"Kennedy","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erin D.","family":"Bigler","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"Department of Psychology, Brigham Young University, Provo, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerald E.","family":"York","sequence":"additional","affiliation":[{"name":"Alaska Radiology Associates, Anchorage, Alaska, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian A.","family":"Taylor","sequence":"additional","affiliation":[{"name":"Department of Imaging Physics, the University of Texas M. D. Anderson Cancer Center, Houston, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maya","family":"Troyanskaya","sequence":"additional","affiliation":[{"name":"H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas, USA."},{"name":"Michael E. Debakey Veterans Affairs Medical Center, Houston, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elizabeth S.","family":"Hovenden","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naomi","family":"Goodrich-Hunsaker","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mary R.","family":"Newsome","sequence":"additional","affiliation":[{"name":"H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas, USA."},{"name":"Michael E. Debakey Veterans Affairs Medical Center, Houston, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emily L.","family":"Dennis","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tracy","family":"Abildskov","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mary Jo","family":"Pugh","sequence":"additional","affiliation":[{"name":"Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA."},{"name":"Decision-Enhancement and Analytic Sciences Center, Department of Informatics, VA Salt Lake City Health Care System, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William C.","family":"Walker","sequence":"additional","affiliation":[{"name":"Physical Medicine &amp; Rehabilitation, Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kimbra","family":"Kenney","sequence":"additional","affiliation":[{"name":"National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, Maryland, USA."},{"name":"Center for Neuroscience and Regenerative Medicine, Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron","family":"Betts","sequence":"additional","affiliation":[{"name":"San Antonio Military Medical Center, San Antonio, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Shih","sequence":"additional","affiliation":[{"name":"American Institute for Radiologic Pathology, Silver Spring, Maryland, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert C.","family":"Welsh","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, University of Utah, Salt Lake City, Utah, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisabeth A.","family":"Wilde","sequence":"additional","affiliation":[{"name":"TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, Utah, USA."},{"name":"George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, Utah, USA."},{"name":"H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,12,29]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2019.00638"},{"key":"e_1_3_6_3_2","unstructured":"Department of Defense. DOD TBI Worldwide Numbers. 2021. Available from: https:\/\/health.mil\/Reference-Center\/Reports\/2023\/06\/12\/2021-DOD-Worldwide-Numbers-for-TBI [Last accessed October6 2023]."},{"key":"e_1_3_6_4_2","unstructured":"Department of Defense. DoD Numbers for Traumatic Brain InjuryWorldwide\u2014Totals. 2016. 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