Augmenting a SSVEP BCI through single cycle analysis and phase weighting

Single cycle analysis of the Steady State Visual Evoked Potential (SSVEP) response allows use of standard significance tests to determine a subject's gaze. This allows standard criterion levels to be set across all subjects rather than individually by empirical analysis. Furthermore once a subj...

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Bibliographic Details
Published in2009 4th International IEEE/EMBS Conference on Neural Engineering pp. 371 - 374
Main Authors Wilson, J.J., Palaniappan, R.
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 01.04.2009
Subjects
Brain Computer Interface (BCI)
Computer science
Electroencephalogram (EEG)
Electroencephalography
Frequency
Liquid crystal displays
Monitoring
Neural engineering
Noise cancellation
Phase measurement
Spectral analysis
Steady State Visual Evoked Potential (SSVEP)
Steady-state
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ISBN1424420725
9781424420728
ISSN1948-3546
DOI10.1109/NER.2009.5109310

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Summary:Single cycle analysis of the Steady State Visual Evoked Potential (SSVEP) response allows use of standard significance tests to determine a subject's gaze. This allows standard criterion levels to be set across all subjects rather than individually by empirical analysis. Furthermore once a subject's gaze has been classified it is possible to extract a notion of expected phase to a SSVEP stimulus. This expected phase value can then be used to augment classification of attention to a four class Brain Computer Interface system improving transfer rates.
ISBN:1424420725
9781424420728
ISSN:1948-3546
DOI:10.1109/NER.2009.5109310