P300 visual speller based on random set presentation

Seul Ki Yeom; Siamac Fazli; Seong Whan Lee

doi:10.1109/iww-BCI.2014.6782567

P300 visual speller based on random set presentation

Seul Ki Yeom, Siamac Fazli, Seong Whan Lee

Research output: Contribution to conference › Paper › peer-review

9 Citations (Scopus)

Abstract

Event-related potential (ERP)-based P300 spellers are commonly used in the domain of brain-computer interfaces as a communication pathway for the impaired. In this paper, we propose a novel stimulus representation pattern for the P300-based visual speller. In contrast to the classical matrix speller, in this new approach users see a unique combination of letters in each stimulus during a given sequence. Our results indicate that this change increases information transfer rates (ITR) for all four considered subjects.

Original language	English
DOIs	https://doi.org/10.1109/iww-BCI.2014.6782567
Publication status	Published - Jan 1 2014
Externally published	Yes
Event	2014 International Winter Workshop on Brain-Computer Interface, BCI 2014 - Gangwon, Korea, Republic of Duration: Feb 17 2014 → Feb 19 2014

Conference

Conference	2014 International Winter Workshop on Brain-Computer Interface, BCI 2014
Country/Territory	Korea, Republic of
City	Gangwon
Period	2/17/14 → 2/19/14

Keywords

Brain-computer interface (BCI)
Electroencephalography (EEG)
Event-related potential (ERP)
P300

ASJC Scopus subject areas

Human-Computer Interaction
Human Factors and Ergonomics

Access to Document

10.1109/iww-BCI.2014.6782567

Cite this

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AU - Fazli, Siamac

AU - Lee, Seong Whan

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N2 - Event-related potential (ERP)-based P300 spellers are commonly used in the domain of brain-computer interfaces as a communication pathway for the impaired. In this paper, we propose a novel stimulus representation pattern for the P300-based visual speller. In contrast to the classical matrix speller, in this new approach users see a unique combination of letters in each stimulus during a given sequence. Our results indicate that this change increases information transfer rates (ITR) for all four considered subjects.

AB - Event-related potential (ERP)-based P300 spellers are commonly used in the domain of brain-computer interfaces as a communication pathway for the impaired. In this paper, we propose a novel stimulus representation pattern for the P300-based visual speller. In contrast to the classical matrix speller, in this new approach users see a unique combination of letters in each stimulus during a given sequence. Our results indicate that this change increases information transfer rates (ITR) for all four considered subjects.

KW - Brain-computer interface (BCI)

KW - Electroencephalography (EEG)

KW - Event-related potential (ERP)

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Y2 - 17 February 2014 through 19 February 2014

ER -

P300 visual speller based on random set presentation

Abstract

Conference

Keywords

ASJC Scopus subject areas

Access to Document

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