{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T04:04:57Z","timestamp":1787889897193,"version":"build-2784847793"},"reference-count":49,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,9,2]],"date-time":"2022-09-02T00:00:00Z","timestamp":1662076800000},"content-version":"vor","delay-in-days":1,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Brain and Behavior"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>The purpose of this study is to determine if delta waves, measured by magnetoencephalography (MEG), increase in adolescents due to a sports concussion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Twenty\u2010four adolescents (age 14\u201317) completed pre\u2010 and postseason MRI and MEG scanning. MEG whole\u2010brain delta power was calculated for each subject and normalized by the subject's total power. In eight high school football players diagnosed with a concussion during the season (mean age\u00a0=\u00a015.8), preseason delta power was subtracted from their postseason scan. In eight high school football players without a concussion (mean age\u00a0=\u00a015.7), preseason delta power was subtracted from postseason delta power and in eight age\u2010matched noncontact controls (mean age\u00a0=\u00a015.9), baseline delta power was subtracted from a 4\u2010month follow\u2010up scan.<\/jats:p>\n                    <jats:p>\n                      ANOVA was used to compare the mean differences between preseason and postseason scans for the three groups of players, with pairwise comparisons based on Student's\n                      <jats:italic>t<\/jats:italic>\n                      \u2010test method.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Players with concussions had significantly increased delta wave power at their postseason scans than nonconcussed players (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a0.018) and controls (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a0.027).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We demonstrate that a single concussion during the season in adolescent subjects can increase MEG measured delta frequency power at their postseason scan. This adds to the growing body of literature indicating increased delta power following a concussion.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/brb3.2720","type":"journal-article","created":{"date-parts":[[2022,9,2]],"date-time":"2022-09-02T09:16:58Z","timestamp":1662110218000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["MEG measured delta waves increase in adolescents after concussion"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8765-6584","authenticated-orcid":false,"given":"Elizabeth M.","family":"Davenport","sequence":"first","affiliation":[{"name":"Advanced Neuroscience Imaging Research (ANSIR) Laboratory University of Texas Southwestern Medical Center  Dallas Texas"},{"name":"Department of Radiology University of Texas Southwestern Medical Center  Dallas Texas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jillian E.","family":"Urban","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering Wake Forest School of Medicine  Winston\u2010Salem North Carolina"},{"name":"Virginia Tech\u2014Wake Forest School of Biomedical Engineering Wake Forest School of Medicine  Winston\u2010Salem North Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Vaughan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery Wake Forest School of Medicine  Winston\u2010Salem North Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3823-8765","authenticated-orcid":false,"given":"Jesse C.","family":"DeSimone","sequence":"additional","affiliation":[{"name":"Advanced Neuroscience Imaging Research (ANSIR) Laboratory University of Texas Southwestern Medical Center  Dallas Texas"},{"name":"Department of Radiology University of Texas Southwestern Medical Center  Dallas 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