{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T21:58:52Z","timestamp":1769551132919,"version":"3.49.0"},"reference-count":36,"publisher":"World Scientific Pub Co Pte Lt","issue":"07","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Neur. Syst."],"published-print":{"date-parts":[[2017,11]]},"abstract":"<jats:p> Objective: In patients with Genetic Generalized Epilepsy (GGE), transcranial magnetic stimulation (TMS) can induce epileptiform discharges (EDs) of varying duration. We hypothesized that (a) the ED duration is determined by the dynamic states of critical network nodes (brain areas) at the early post-TMS period, and (b) brain connectivity changes before, during and after the ED, as well as within the ED. Methods: EEG recordings from two GGE patients were analyzed. For hypothesis (a), the characteristics of the brain dynamics at the early ED stage are measured with univariate and multivariate EEG measures and the dependence of the ED duration on these measures is evaluated. For hypothesis (b), effective connectivity measures are combined with network indices so as to quantify the brain network characteristics and identify changes in brain connectivity. Results: A number of measures combined with specific channels computed on the first EEG segment post-TMS correlate with the ED duration. In addition, brain connectivity is altered from pre-ED to ED and post-ED and statistically significant changes were also detected across stages within the ED. Conclusion: ED duration is not purely stochastic, but depends on the dynamics of the post-TMS brain state. The brain network dynamics is significantly altered in the course of EDs. <\/jats:p>","DOI":"10.1142\/s012906571750037x","type":"journal-article","created":{"date-parts":[[2017,7,19]],"date-time":"2017-07-19T06:46:17Z","timestamp":1500446777000},"page":"1750037","source":"Crossref","is-referenced-by-count":20,"title":["Dynamics of Epileptiform Discharges Induced by Transcranial Magnetic Stimulation in Genetic Generalized Epilepsy"],"prefix":"10.1142","volume":"27","author":[{"given":"Dimitris","family":"Kugiumtzis","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece"}]},{"given":"Christos","family":"Koutlis","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece"}]},{"given":"Alkiviadis","family":"Tsimpiris","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece"}]},{"given":"Vasilios K.","family":"Kimiskidis","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Neurophysiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece"}]}],"member":"219","published-online":{"date-parts":[[2017,8,28]]},"reference":[{"key":"S012906571750037XBIB001","doi-asserted-by":"publisher","DOI":"10.1007\/s10548-009-0123-4"},{"key":"S012906571750037XBIB002","doi-asserted-by":"publisher","DOI":"10.1097\/WCO.0000000000000071"},{"key":"S012906571750037XBIB003","doi-asserted-by":"publisher","DOI":"10.1111\/j.1528-1167.2007.01418.x"},{"key":"S012906571750037XBIB004","doi-asserted-by":"publisher","DOI":"10.1142\/S0129065715500185"},{"key":"S012906571750037XBIB005","first-page":"163","volume-title":"Spehlman\u2019s EEG Primer","author":"Fisch B. 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