A region-based P300 speller for brain-computer interface

Fazel-Rezai, Reza; Abhari, Kamyar

doi:10.1109/cjece.2009.5443854

Cited by 86 publications

(54 citation statements)

References 15 publications

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“…In addition to improving information transfer rate, current P300-based BCI mainly explores new electrode montage, paradigms, and applications to increase the performance of the BCI systems which can also assist disabled users in home settings [10,28,47]. For example, effect of contrast and color, modified stimulus presentation, enhanced users' attention, and new paradigms [49,50] for eliciting the P300 have been introduced as new ways to improve ERPs and its classification [51,52]. As a result of strong interest in P300 BCI, BCI community has experienced a high volume of research works involving P300 ERP in past 6 years.…”

Section: Advancement Of P300 Bcimentioning

confidence: 99%

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Application of P300 Event-Related Potential in Brain-Computer Interface

Haider¹,

Fazel-Rezai²

2017

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The primary purpose of this chapter is to demonstrate one of the applications of P300 event-related potential (ERP), i.e., brain-computer interface (BCI). Researchers and students will find the chapter appealing with a preliminary description of P300 ERP. This chapter also appreciates the importance and advantages of noninvasive ERP technique.In noninvasive BCI, the P300 ERPs are extracted from brain electrical activities [electroencephalogram (EEG)] as a signature of the underlying electrophysiological mechanism of brain responses to the external or internal changes and events. As the chapter proceeds, topics are covered on more relevant scholarly works about challenges and new directions in P300 BCI. Along with these, articles with the references on the advancement of this technique will be presented to ensure that the scholarly reviews are accessible to people who are new to this field. To enhance fundamental understanding, stimulation as well as signal processing methods will be discussed from some novel works with a comparison of the associated results. This chapter will meet the need for a concise and practical description of basic, as well as advanced P300 ERP techniques, which is suitable for a broad range of researchers extending from today's novice to an experienced cognitive researcher.

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Section: Advancement Of P300 Bcimentioning

confidence: 99%

“…Here, choice of an object is split in dual selection levels which decreased the near-target effect and human error and adjacency problem significantly [49,67]. In this paradigm, space of the visual paradigm is divided into seven different regions ( Figure 5).…”

Section: Region-based (Rb) Paradigmmentioning

confidence: 99%

Application of P300 Event-Related Potential in Brain-Computer Interface

Haider¹,

Fazel-Rezai²

2017

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“…Usually, ear lobe or mastoid (i.e. bony outgrowth behind the ear) is used as reference channel (Allison and Pineda 2003;Allison and Pineda 2006;McFarland et al 2011;Fazel-Rezai and Abhari 2009;Townsend et al 2010;Guger et al 2009;Talebi et al 2012). Many studies focusing on reference-free methods such as scalp Laplacian (SL) (Yao 2002) and the reference electrode standardization technique (REST) (Qin et al 2010;Yao 2001) have been published.…”

Section: Data Collection and Processingmentioning

confidence: 99%

“…Various P300 stimuli display paradigms have been proposed (Guan et al 2004;Fazel-Rezai and Abhari 2009;Townsend et al 2010). Besides the RC paradigm, two typical paradigms are single character (SC) paradigm proposed in Guan et al (2004) and region-based (RB) paradigm in Fazel-Rezai and Abhari (2009).…”

Section: Introductionmentioning

confidence: 99%

A comparison study of two P300 speller paradigms for brain–computer interface

Pan

et al. 2013

Cogn Neurodyn

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In this paper, a comparison of two existing P300 spellers is conducted. In the first speller, the visual stimuli of characters are presented in a single character (SC) paradigm and each button corresponding to a character flashes individually in a random order. The second speller is based on a region-based (RB) paradigm. In the first level, all characters are grouped and each button corresponding to a group flashes individually in a random order. Once a group is selected, the characters in it will appear on the flashing buttons of the second level for the selection of desired character. In a spelling experiment involving 12 subjects, higher online accuracy was obtained on the RB paradigmbased P300 speller than the SC paradigm-based P300 speller. Furthermore, we analyzed P300 detection performance, the P300 waveforms and Fisher ratios using the data collected by the two spellers. It was found that the stimuli display paradigm of the RB speller enhances P300 potential and is more suitable for P300 detection.

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“…P300-based BCIs have been applied in many aspects, such as recognizing traffic lights [5], dialing phone numbers [6], moving cursors [7], or even controlling a robotic prosthesis [8]. However, the most popular application of P300-based BCIs is spelling [9][10][11][12], which enable users to input characters directly by brain. The original P300-based speller was proposed by Farwell and Donchin in 1988 [13].…”

Section: Introductionmentioning

confidence: 99%

P300-Based Chinese Speller: A Systematic Summary

et al. 2017

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Abstract:Evoked by the oddball events, P300 potential is closely related to the advanced psychological activities of human beings, and plays a significant role in the electroencephalogram (EEG)-based brain-computer interface (BCI) systems. Utilizing the principle of eliciting P300, we can implement BCIs to input characters, which enable people to express their intentions directly by brain. In recent years, P300-based English speller (P300ES) has been widely studied while P300-based Chinese speller (P300CS) has been far less fully investigated, owing to the complexity of sinograms. This paper aims at making a systematic summary of the current P300CS systems, and showing that P300CS would be a promising research field deserving of further researches in the furture.

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A region-based P300 speller for brain-computer interface

Cited by 86 publications

References 15 publications

Application of P300 Event-Related Potential in Brain-Computer Interface

Application of P300 Event-Related Potential in Brain-Computer Interface

A comparison study of two P300 speller paradigms for brain–computer interface

P300-Based Chinese Speller: A Systematic Summary

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