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The macrostate showing the largest decrease in the probability of occurrence, measured as a percentage (reactivity), during sensory stimulation was labelled as the default EEG macrostate (DEM). This study aimed to assess the influence of awareness on DEM reactivity (DER). We included 11 middle cerebral artery ischaemic stroke patients with impaired awareness having a median Glasgow Coma Scale (GCS) of 6\/15 and a group of 11 matched healthy controls. EEG recordings were carried out during auditory 1\u00a0min stimulation epochs repeating either the subject's own name (SON) or the SON in reverse (rSON). The DEM was identified across three SON epochs alternating with three rSON epochs. Compared with the patients, the DEM of controls contained more posterior theta activity reflecting source dipoles that could be mapped in the posterior cingulate cortex. The DER was measured from the 1\u00a0min quiet baseline preceding each stimulation epoch. The difference in mean DER between the SON and rSON epochs was measured by the salient EEG reactivity (SER) theoretically ranging from \u2212100% to 100%. The SER was 12.4\u2009\u00b1\u20092.7% (Mean\u2009\u00b1\u2009standard error of the mean) in controls and only 1.3\u2009\u00b1\u20091.9% in the patient group (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.01). The patient SER decreased with the Glasgow Coma Scale. Our data suggest that awareness increases DER to SON as measured by SER.<\/jats:p>","DOI":"10.1111\/ejn.16138","type":"journal-article","created":{"date-parts":[[2023,9,7]],"date-time":"2023-09-07T09:06:41Z","timestamp":1694077601000},"page":"771-785","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Towards an electroencephalographic measure of awareness based on the reactivity of oscillatory macrostates to hearing a subject's own name"],"prefix":"10.1111","volume":"59","author":[{"given":"Cosmin\u2010Andrei","family":"\u0218erban","sequence":"first","affiliation":[{"name":"Physics Department University of Bucharest  Bucharest Romania"},{"name":"Termobit Prod SRL  Bucharest Romania"},{"name":"FHC Inc  Bowdoin Maine USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrei","family":"Barboric\u0103","sequence":"additional","affiliation":[{"name":"Physics Department University of Bucharest  Bucharest 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