{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T07:52:56Z","timestamp":1791013976811,"version":"4.1.0"},"reference-count":67,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:00:00Z","timestamp":1790640000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Clin EEG Neurosci"],"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To investigate attention and working memory by comparing children who practice Karate with non-Karate practitioners at different stages of biological maturation through P300 amplitude and latency during a Go\/No-Go paradigm.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The P300 component was analyzed at the Fz, Cz, and Pz electrodes in 80 participants divided into two groups: Karate practitioners and non-Karate practitioners. Each group was subdivided by Peak Height Velocity into two maturational levels.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>At Pz, a Group \u00d7 Peak Height Velocity interaction was found for P300 amplitude (F\u2009=\u200945.85, p\u2009&lt;\u20090.001). At Cz, a Group \u00d7 Peak Height Velocity interaction was also observed for P300 amplitude (F\u2009=\u200910.41, p\u2009=\u20090.004). At Fz, main effects of Group and Peak Height Velocity were found for P300 amplitude (F\u2009=\u200940.33, p\u2009=\u20090.010; F\u2009=\u200936.73, p\u2009=\u20090.012, respectively) and latency (F\u2009=\u20097.71, p\u2009=\u20090.012; F\u2009=\u200938.37, p\u2009=\u20090.010, respectively). The Karate group showed different electrocortical patterns across electrodes and maturational stages, with lower P300 amplitude in several comparisons and latency effects modulated by biological maturation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Contrary to the initial hypothesis of higher P300 amplitude in Karate practitioners, Karate practice and biological maturation appear to influence behavioral performance and P300 markers of target-related attentional processing in the opposite direction. The findings suggest altered efficiency in attentional processing and response evaluation rather than a uniform increase in P300 amplitude. Biological maturation should be controlled in future studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15500594261492489","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:05:50Z","timestamp":1790741150000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Analysis of the P300 Component in Children Practicing Karate at Different Stages of Biological Maturation: An Investigation of Attention and Working Memory"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2607-5604","authenticated-orcid":false,"given":"Eduardo","family":"Nicoliche","sequence":"first","affiliation":[{"name":"Institute of Psychiatry of Federal University of Rio de Janeiro"},{"name":"School of Physical Education and Sport, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil"},{"name":"Postgraduate Program in Psychiatry and Mental Health, UFRJ Institute 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