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Repetitive transcranial magnetic stimulation (rTMS) is able to alleviate MTBI-related headache (MTBI-HA). This functional magnetic resonance imaging (fMRI) study assessed supraspinal correlates associated with the headache analgesic effect of rTMS at left prefrontal cortex (LPFC), hypothesizing real rTMS would significantly increase modulatory functions at LPFC in comparison to sham treatment. Subjects with MTBI-HA were randomized to receive either real or sham rTMS treatments and subjected to pre- and post-treatment resting state and evoked heat-pain fMRI as described in a prior study. Real rTMS consisted of 2000 pulses delivered at 10\u00a0Hz and 80% of the resting motor threshold at left dorsolateral prefrontal cortex, whereas sham treatment was delivered with same figure-of-eight coil turned 180 degrees. Follow-up fMRI was performed one-week post-treatment.\n All fMRI data was processed using BrainVoyager QX Software. 14\u00a0subjects receiving real and 12 subjects receiving sham treatments completed the study. The REAL group demonstrated significant (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.02) decreases in headache frequency and intensity at one week following treatment. fMRI scans in the REAL group showed increased evoked heat pain activity (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.002) and resting functional connectivity (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.0001) at the LPFC after rTMS. Neither this significant analgesic effect nor these fMRI findings were seen in the sham group. Sham treatment was, however, associated with a decrease in resting state activity at the LPFC (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.0001). This study correlates the demonstrated analgesic effect of rTMS in the treatment of MTBI-HA with enhanced supraspinal functional connectivity in the left prefrontal cortex, which is known to be involved in \u201ctop-down\u201d pain inhibition along the descending midbrain-thalamic-cingulate pathway.\n<\/jats:p><jats:p><jats:bold>Trial Registration<\/jats:bold>: This study was registered on September 24, 2013, on ClinicalTrials.gov with the identifier: NCT01948947. <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/clinicaltrials.gov\/ct2\/show\/NCT01948947\">https:\/\/clinicaltrials.gov\/ct2\/show\/NCT01948947<\/jats:ext-link>.\n<\/jats:p>","DOI":"10.1038\/s41598-021-89118-2","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T10:07:04Z","timestamp":1620209224000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["fMRI findings in MTBI patients with headaches following rTMS"],"prefix":"10.1038","volume":"11","author":[{"given":"Michael","family":"Vaninetti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mike","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aladdin","family":"Khalaf","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valerie","family":"Metzger-Smith","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Flowers","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alphonsa","family":"Kunnel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Song","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"Tsai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roland","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shahrokh","family":"Golshan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Albert","family":"Leung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,5,5]]},"reference":[{"key":"89118_CR1","doi-asserted-by":"crossref","unstructured":"Cassidy, J. 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