{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T18:50:24Z","timestamp":1780599024831,"version":"3.54.1"},"reference-count":60,"publisher":"Wiley","issue":"11-12","license":[{"start":{"date-parts":[[2020,11,3]],"date-time":"2020-11-03T00:00:00Z","timestamp":1604361600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Eur J of Neuroscience"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Electrical brain oscillations reflect fluctuations in neural excitability. Fluctuations in the alpha band (\u03b1, 8\u201312\u00a0Hz) in the occipito\u2010parietal cortex are thought to regulate sensory responses, leading to cyclic variations in visual perception. Inspired by this theory, some past and recent studies have addressed the relationship between \u03b1\u2010phase from extra\u2010cranial EEG and behavioural responses to visual stimuli in humans. The latest studies have used\n                    <jats:italic>offline<\/jats:italic>\n                    approaches to confirm \u03b1\u2010gated cyclic patterns. However, a particularly relevant implication is the possibility to use this principle\n                    <jats:italic>online,<\/jats:italic>\n                    whereby stimuli are time\u2010locked to specific \u03b1\u2010phases leading to predictable outcomes in performance. Here, we aimed at providing a proof of concept for such real\u2010time neurotechnology. Participants performed a speeded response task to visual targets that were presented upon a real\u2010time estimation of the \u03b1\u2010phase via an EEG closed\u2010loop brain\u2013computer interface (BCI). According to the theory, we predicted a modulation of reaction times (RTs) along the \u03b1\u2010cycle. Our BCI system achieved reliable trial\u2010to\u2010trial phase locking of stimuli to the phase of individual occipito\u2010parietal \u03b1\u2010oscillations. Yet, the behavioural results did not support a consistent relation between RTs and the phase of the \u03b1\u2010cycle neither at group nor at single participant levels. We must conclude that although the \u03b1\u2010phase might play a role in perceptual decisions from a theoretical perspective, its impact on EEG\u2010based BCI application appears negligible.\n                  <\/jats:p>","DOI":"10.1111\/ejn.14931","type":"journal-article","created":{"date-parts":[[2020,8,3]],"date-time":"2020-08-03T17:16:58Z","timestamp":1596475018000},"page":"3224-3240","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Can the occipital alpha\u2010phase speed up visual detection through a real\u2010time EEG\u2010based brain\u2013computer interface (BCI)?"],"prefix":"10.1111","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3119-4552","authenticated-orcid":false,"given":"Irene","family":"Vigu\u00e9\u2010Guix","sequence":"first","affiliation":[{"name":"Departament de Tecnologies de la Informaci\u00f3 i les Comunicacions Center for Brain and Cognition Universitat Pompeu Fabra  Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5247-7503","authenticated-orcid":false,"given":"Luis","family":"Mor\u00eds Fern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Departament de Tecnologies de la Informaci\u00f3 i les Comunicacions Center for Brain and Cognition Universitat Pompeu Fabra  Barcelona Spain"},{"name":"Departamento de Psicolog\u00eda B\u00e1sica Universidad Aut\u00f3noma de Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mireia","family":"Torralba Cuello","sequence":"additional","affiliation":[{"name":"Departament de Tecnologies de la Informaci\u00f3 i les Comunicacions Center for Brain and Cognition Universitat Pompeu Fabra  Barcelona 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