{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T03:45:47Z","timestamp":1772163947173,"version":"3.50.1"},"reference-count":70,"publisher":"Canadian Science Publishing","issue":"10","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":["cdnsciencepub.com"],"crossmark-restriction":false},"short-container-title":["Appl. Physiol. Nutr. Metab."],"published-print":{"date-parts":[[2022,10,1]]},"abstract":"<jats:p>\n                    Our objective was to explore the association between resting-state functional connectivity and accelerometer-measured physical activity in pediatric concussion. Fourteen children with concussion (aged 14.54\u00a0\u00b1\u00a02.39 years, 8 female) were included in this secondary data analysis of a larger study. Participants had neuroimaging at 15.3\u00a0\u00b1\u00a06.7 days postinjury and subsequently a mean of 11.1\u00a0\u00b1\u00a05.0 days of accelerometer data. Intra-network connectivity of the default mode network (DMN), sensorimotor network (SMN), salience network (SN), and frontoparietal network (FPN) was computed using resting-state MRI. We found that, per general linear models (GLMs), only intra-network connectivity of the DMN was associated with physical activity levels. More specifically, increased intra-network connectivity of the DMN was significantly associated with higher levels of subsequent accelerometer-measured light physical activity (LPA; F\n                    <jats:sub>(2, 11)\u00a0<\/jats:sub>\n                    =\u00a07.053, p\u00a0=\u00a00.011, R\n                    <jats:sub>a<\/jats:sub>\n                    <jats:sup>2\u00a0<\/jats:sup>\n                    =\u00a00.562; \u03b2 = 0.469), moderate physical activity (MPA; F\n                    <jats:sub>(2, 11)<\/jats:sub>\n                    = 6.159, p = 0.016, Ra2 = 0.528; \u03b2 = 0.725), and vigorous physical activity (VPA; F\n                    <jats:sub>(2, 11)\u00a0<\/jats:sub>\n                    =\u00a010.855, p\u00a0=\u00a00.002, R\n                    <jats:sub>a<\/jats:sub>\n                    <jats:sup>2\u00a0<\/jats:sup>\n                    =\u00a00.664; \u03b2 = 0.792). Intra-network connectivity of the DMN did not significantly predict sedentary time. Therefore, these preliminary findings suggest that there is a positive association between the intra-network connectivity of the DMN and device-measured physical activity in children with concussion.\n                  <\/jats:p>","DOI":"10.1139\/apnm-2022-0085","type":"journal-article","created":{"date-parts":[[2022,7,20]],"date-time":"2022-07-20T17:33:57Z","timestamp":1658338437000},"page":"1014-1022","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Exploring the relationship between resting-state intra-network connectivity and accelerometer-measured physical activity in pediatric concussion: a cohort study"],"prefix":"10.1139","volume":"47","author":[{"given":"Bhanu","family":"Sharma","sequence":"first","affiliation":[{"name":"Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University","place":["Hamilton, Canada"]},{"name":"Imaging Research Centre, St. Joseph\u2019s Healthcare","place":["Hamilton, Canada"]},{"name":"Dept of Electrical and Computer Engineering, McMaster University","place":["Hamilton, Canada"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joyce","family":"Obeid","sequence":"additional","affiliation":[{"name":"Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University","place":["Hamilton, Canada"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carol","family":"DeMatteo","sequence":"additional","affiliation":[{"name":"School of Rehabilitation Science, McMaster University","place":["Hamilton, Canada"]},{"name":"CanChild Centre for Childhood Disability Research, McMaster University","place":["Hamilton, Canada"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1464-159X","authenticated-orcid":false,"given":"Michael D.","family":"Noseworthy","sequence":"additional","affiliation":[{"name":"Imaging Research Centre, St. Joseph\u2019s Healthcare","place":["Hamilton, Canada"]},{"name":"Dept of Electrical and Computer Engineering, McMaster University","place":["Hamilton, Canada"]},{"name":"McMaster School of Biomedical Engineering, McMaster University","place":["Hamilton, Canada"]},{"name":"Department of Radiology, McMaster University","place":["Hamilton, Canada"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4063-9656","authenticated-orcid":false,"given":"Brian W.","family":"Timmons","sequence":"additional","affiliation":[{"name":"Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University","place":["Hamilton, Canada"]},{"name":"CanChild Centre for Childhood Disability Research, McMaster University","place":["Hamilton, Canada"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1080\/87565641.2014.990455"},{"key":"refg2\/ref2","doi-asserted-by":"publisher","DOI":"10.1006\/nimg.2001.0746"},{"key":"refg3\/ref3","doi-asserted-by":"publisher","DOI":"10.1177\/1073858411403316"},{"key":"refg4\/ref4","volume-title":"SPM12 manual.","author":"Ashburner J.","year":"2014"},{"key":"refg5\/ref5","doi-asserted-by":"publisher","DOI":"10.1097\/HTR.0b013e318250ebda"},{"key":"refg6\/ref6","doi-asserted-by":"publisher","DOI":"10.1080\/02699052.2016.1201594"},{"key":"refg7\/ref7","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1016\/j.ypmed.2006.10.004","volume":"44","author":"Baquet G.","year":"2007","journal-title":"Prev. 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