{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T07:19:32Z","timestamp":1787901572174,"version":"build-2784847793"},"reference-count":48,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"vor","delay-in-days":19,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62276115"],"award-info":[{"award-number":["62276115"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["CNS Neurosci Ther"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>Emotional impairment is common after stroke, but the neural electrophysiological mechanisms by which left\u2010 and right\u2010hemisphere lesions differentially alter emotional processing remain unclear. Conventional time\u2010averaged measures may overlook its dynamic features in the temporal organization of emotional processing. This study aimed to characterize hemisphere\u2010group\u2010associated differences in dynamic hemispheric lateralization during naturalistic emotional processing after unilateral stroke.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In this cross\u2010sectional study, 15 patients with left\u2010hemisphere stroke (L\u2010stroke), 15 patients with right\u2010hemisphere stroke (R\u2010stroke), and 15 healthy controls viewed validated positive, neutral, and negative film clips during 64\u2010channel electroencephalography recording. Self\u2010Assessment Manikin ratings were collected after each clip. We computed spectral power, emotion\u2010averaged lateralization index (LI), inter\u2010clip LI stability, and within\u2010clip LI dynamics (detectability, switching rate, and entropy). Mixed\u2010effects models accounted for repeated observations within participants and, where applicable, variability across film clips.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Stroke patients showed reduced valence and arousal responses to positive clips, particularly in R\u2010stroke patients. Low\u2010frequency spectral power analysis showed preserved emotion modulation, whereas emotion\u2010averaged LI mainly reflected group\u2010dependent hemispheric bias. Within\u2010clip parietal\u2010theta LI dynamics revealed hemispheric differences: L\u2010stroke showed higher detectability and lower switching, while R\u2010stroke showed increased switching and entropy during positive clips. Switching showed a group\u2010dependent association with arousal in the primary model, with stronger coupling in R\u2010stroke.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Dynamic parietal\u2010theta lateralization revealed hemisphere\u2010group\u2010associated differences in the stability\u2013flexibility balance of emotional brain states that were not captured by time\u2010averaged measures. These findings suggest that parietal\u2010theta LI dynamics may provide a preliminary candidate electrophysiological feature for characterizing post\u2010stroke emotional dysfunction.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cns.71096","type":"journal-article","created":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T13:01:31Z","timestamp":1787230891000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dynamic Hemispheric Lateralization of Naturalistic Emotional Processing After Unilateral Stroke: An\n                    <scp>EEG<\/scp>\n                    Study"],"prefix":"10.1002","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-6370-7277","authenticated-orcid":false,"given":"Menglin","family":"Han","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Medicine The First Affiliated Hospital of Jinan University  Guangzhou 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