An innovative P300 speller brain-computer interface design: Easy screen

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dc.authoridAYGUN, Abdullah Bilal/0000-0002-0162-4419
dc.contributor.authorAygun, Abdullah Bilal
dc.contributor.authorKavsaoglu, Ahmet Resit
dc.date.accessioned2024-09-29T15:55:05Z
dc.date.available2024-09-29T15:55:05Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractBackground: P300 spellers are brain-computer interfaces (BCIs) that display desired characters, once at a time, on a screen through the detection of P300 event-related potentials (ERPs) generated in response to flashing visual stimuli using classification methods to determine desired outcomes. Individual words can also be displayed, rather than the letter-by-letter display typical of P300 spellers. Method: An innovative interface using a 7 x 7 letters visual stimulus matrix was designed, as the Easy Screen P300 Speller. In addition to alphabetic characters, 20 shortcut elements (E1-E20) can be used to display words directly on the screen. After first one or more letters of a desired word are determined, 20 words are formed in the word list. If the selection of a shortcut element is detected, the word corresponding to that element is displayed on the screen. Result and discussion: An innovative P300 speller BCI was tested for 19 men and 11 women. Offline, online, and word typing studies were performed using the designed interface. During online analysis, on average, each subject focused on 28.37 of 30 characters. Each subject was asked to display 10 words pre-selected according to the subjects' wishes using the Easy Screen P300 Speller. The same word could be displayed in an average of 1.31 min using the Easy Screen P300 Speller compared with 4.53 min using a conventional P300 speller. This paper uncovers upper results in terms of character detection accuracy and Output Characters per Minute (OCM) value across word-typing interfaces than state-of-the-art.en_US
dc.identifier.doi10.1016/j.bspc.2022.103593
dc.identifier.issn1746-8094
dc.identifier.issn1746-8108
dc.identifier.scopus2-s2.0-85125138617en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.bspc.2022.103593
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4447
dc.identifier.volume75en_US
dc.identifier.wosWOS:000820092000004en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofBiomedical Signal Processing and Controlen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBrain-computer interfaceen_US
dc.subjectP300 spelleren_US
dc.subjectWord-typing paradigmen_US
dc.subjectVisual stimulusen_US
dc.subjectEvent related potentialen_US
dc.subjectElectroencephalogram (EEG)en_US
dc.titleAn innovative P300 speller brain-computer interface design: Easy screenen_US
dc.typeArticleen_US

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