ArticleFrontiers in neuroscience2019
A Novel Audiovisual P300-Speller Paradigm Based on Cross-Modal Spatial and Semantic Congruence.
Article in Frontiers in neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The ASME-speller: 30-class auditory brain-computer interface speller using stream segregation and the QWERTY layout.Frontiers in human neuroscience · 2026Article
- Non-spatial inhibition of return attenuates audiovisual integration owing to modality disparities.Attention, perception & psychophysics · 2024Article
- Brain-computer interface in critical care and rehabilitation.Acute and critical care · 2024Article
- A novel brain-computer interface based on audio-assisted visual evoked EEG and spatial-temporal attention CNN.Frontiers in neurorobotics · 2022Article
- A P300-Detection Method Based on Logistic Regression and a Convolutional Neural Network.Frontiers in computational neuroscience · 2022Article
- Advances in P300 brain-computer interface spellers: toward paradigm design and performance evaluation.Frontiers in human neuroscience · 2022Review
- Decoding Covert Speech From EEG-A Comprehensive Review.Frontiers in neuroscience · 2021Review
- A Practical EEG-Based Human-Machine Interface to Online Control an Upper-Limb Assist Robot.Frontiers in neurorobotics · 2020Article
- A Spelling Paradigm With an Added Red Dot Improved the P300 Speller System Performance.Frontiers in neuroinformatics · 2020Article
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5 authors.
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Abstract
objectiveAlthough many studies have attempted to improve the performance of the visual-based P300-speller system, its performance is still not satisfactory. The current system has limitations for patients with neurodegenerative diseases, in which muscular control of the eyes may be impaired or deteriorate over time. Some studies have shown that the audiovisual stimuli with spatial and semantic congruence elicited larger event-related potential (ERP) amplitudes than do unimodal visual stimuli. Therefore, this study proposed a novel multisensory P300-speller based on audiovisual spatial and semantic congruence.
methodsWe designed a novel audiovisual P300-speller paradigm (AV spelling paradigm) in which the pronunciation and visual presentation of characters were matched in spatial position and semantics. We analyzed the ERP waveforms elicited in the AV spelling paradigm and visual-based spelling paradigm (V spelling paradigm) and compared the classification accuracies between these two paradigms.
resultsERP analysis revealed significant differences in ERP amplitudes between the two paradigms in the following areas (AV > V): the frontal area at 60-140 ms, frontal-central-parietal area at 360-460 ms, frontal area at 700-800 ms, right temporal area at 380-480 and 700-780 ms, and left temporal area at 500-780 ms. Offline classification results showed that the accuracies were significantly higher in the AV spelling paradigm than in the V spelling paradigm after superposing 1, 2, 5, 6, 9, and 10 times ( SIGNIFICANCE: The proposed audiovisual P300-speller paradigm significantly improved the classification accuracies compared with the visual-based P300-speller paradigm. Our novel paradigm combines spatial and semantic features of two sensory modalities, and the present findings provide valuable insights into the development of multimodal ERP-based BCI paradigms.
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