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Alterations in neurophysiological activity underpinning such difficulties, as well as their relation to specific aspects of adverse neonatal experience, remain poorly understood. In the present study, we examined interregional connectivity and spectral power in very preterm children at school age, and their relationship with clinical neonatal variables and long\u2010term outcomes (\n                      <jats:styled-content style=\"fixed-case\">IQ<\/jats:styled-content>\n                      , executive functions, externalizing\/internalizing behavior, visual\u2010motor integration).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      We collected resting state magnetoencephalographic (\n                      <jats:styled-content style=\"fixed-case\">MEG<\/jats:styled-content>\n                      ) and psychometric data from a cohort at the age of 8\u00a0years followed prospectively since birth, which included three groups: Extremely Low Gestational Age (\n                      <jats:styled-content style=\"fixed-case\">ELGA<\/jats:styled-content>\n                      , 24\u201328\u00a0weeks\n                      <jats:styled-content style=\"fixed-case\">GA<\/jats:styled-content>\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a024, age 7.7\u00a0\u00b1\u00a00.38, 10 girls), Very Low Gestational Age (\n                      <jats:styled-content style=\"fixed-case\">VLGA<\/jats:styled-content>\n                      , 29\u201332\u00a0weeks\n                      <jats:styled-content style=\"fixed-case\">GA<\/jats:styled-content>\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a037, age 7.7\u00a0\u00b1\u00a00.39, 24 girls), and full\u2010term children (38\u201341\u00a0weeks\n                      <jats:styled-content style=\"fixed-case\">GA<\/jats:styled-content>\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a039, age 7.9\u00a0\u00b1\u00a01.02, 24 girls). Interregional phase synchrony and spectral power were tested for group differences, and associations with neonatal and outcome variables were examined using mean\u2010centered and behavioral Partial Least Squares (\n                      <jats:styled-content style=\"fixed-case\">PLS<\/jats:styled-content>\n                      ) analyses, respectively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      We found greater connectivity in the theta band in the\n                      <jats:styled-content style=\"fixed-case\">ELGA<\/jats:styled-content>\n                      group compared to\n                      <jats:styled-content style=\"fixed-case\">VLGA<\/jats:styled-content>\n                      and full\u2010term groups, primarily involving frontal connections. Spectral power analysis demonstrated overall lower power in the\n                      <jats:styled-content style=\"fixed-case\">ELGA<\/jats:styled-content>\n                      and\n                      <jats:styled-content style=\"fixed-case\">VLGA<\/jats:styled-content>\n                      compared to full\u2010term group.\n                      <jats:styled-content style=\"fixed-case\">PLS<\/jats:styled-content>\n                      indicated strong associations between neurophysiological connectivity at school age, adverse neonatal experience and cognitive performance, and behavior. Resting spectral power was associated only with behavioral scores.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Our findings indicate significant atypicalities of neuromagnetic brain activity and connectivity in very preterm children at school age, with alterations in connectivity mainly observed only in the\n                      <jats:styled-content style=\"fixed-case\">ELGA<\/jats:styled-content>\n                      group. We demonstrate a significant relationship between connectivity, adverse neonatal experience, and long\u2010term outcome, indicating that the disruption of developing neurophysiological networks may mediate relationships between neonatal events and cognitive and behavioral difficulties at school age.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpp.13026","type":"journal-article","created":{"date-parts":[[2019,2,26]],"date-time":"2019-02-26T01:55:32Z","timestamp":1551146132000},"page":"975-987","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Atypical resting state neuromagnetic connectivity and spectral power in very preterm children"],"prefix":"10.1111","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6450-4959","authenticated-orcid":false,"given":"Nataliia","family":"Kozhemiako","sequence":"first","affiliation":[{"name":"Biomedical Physiology and Kinesiology Simon Fraser University Burnaby BC Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adonay","family":"Nunes","sequence":"additional","affiliation":[{"name":"Biomedical Physiology and Kinesiology Simon Fraser University Burnaby BC Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vasily A.","family":"Vakorin","sequence":"additional","affiliation":[{"name":"Biomedical Physiology and Kinesiology Simon Fraser University Burnaby BC Canada"},{"name":"Behavioral &amp; Cognitive Neuroscience Institute Simon Fraser University Burnaby BC Canada"},{"name":"Fraser Health British Columbia Health Authority Surrey BC Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cecil M. 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