PMC:2944670 / 28495-29160
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/2944670","sourcedb":"PMC","sourceid":"2944670","source_url":"https://www.ncbi.nlm.nih.gov/pmc/2944670","text":"Most BCI spelling devices, especially those actually used by disabled people, are based on the detection of potentials that are evoked by external stimuli rather than spontaneous mental states. The most prominent is the approach that elicits a P300 component (Donchin et al., 2000). In this approach, all characters are presented in a matrix, and the symbol which the user focuses her/his attention on can be predicted from the brain potentials that are evoked by random flashing of rows and columns. Similar P300-based spelling devices have since been extensively investigated and developed (e.g., Sellers et al., 2006; Nijboer et al., 2008; Silvoni et al., 2009).","tracks":[{"project":"TEST0","denotations":[{"id":"20877434-114-122-476006","span":{"begin":615,"end":619},"obj":"[\"16860920\"]"},{"id":"20877434-136-144-476007","span":{"begin":637,"end":641},"obj":"[\"18571984\"]"},{"id":"20877434-158-166-476008","span":{"begin":659,"end":663},"obj":"[\"20582284\"]"}],"attributes":[{"subj":"20877434-114-122-476006","pred":"source","obj":"TEST0"},{"subj":"20877434-136-144-476007","pred":"source","obj":"TEST0"},{"subj":"20877434-158-166-476008","pred":"source","obj":"TEST0"}]},{"project":"0_colil","denotations":[{"id":"20877434-16860920-476006","span":{"begin":615,"end":619},"obj":"16860920"},{"id":"20877434-18571984-476007","span":{"begin":637,"end":641},"obj":"18571984"},{"id":"20877434-20582284-476008","span":{"begin":659,"end":663},"obj":"20582284"}],"attributes":[{"subj":"20877434-16860920-476006","pred":"source","obj":"0_colil"},{"subj":"20877434-18571984-476007","pred":"source","obj":"0_colil"},{"subj":"20877434-20582284-476008","pred":"source","obj":"0_colil"}]},{"project":"2_test","denotations":[{"id":"20877434-16860920-38386989","span":{"begin":615,"end":619},"obj":"16860920"},{"id":"20877434-18571984-38386990","span":{"begin":637,"end":641},"obj":"18571984"},{"id":"20877434-20582284-38386991","span":{"begin":659,"end":663},"obj":"20582284"}],"attributes":[{"subj":"20877434-16860920-38386989","pred":"source","obj":"2_test"},{"subj":"20877434-18571984-38386990","pred":"source","obj":"2_test"},{"subj":"20877434-20582284-38386991","pred":"source","obj":"2_test"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"TEST0","color":"#c693ec","default":true},{"id":"0_colil","color":"#93ecac"},{"id":"2_test","color":"#ec9393"}]}]}}