Habituation of P300 in the Use of P300-based Brain-Computer Interface Spellers: Individuals With Amyotrophic Lateral Sclerosis Versus Age-Matched Controls

Yu, Xiaodan; Silva-Sauer, Leandro da; Donchin, Emanuel

doi:10.1177/1550059420918755

Cited by 7 publications

(4 citation statements)

References 71 publications

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“…Apart from the task differences, age was considered as a confounding factor in BCI studies. 26 Yu et al 27 applied P300 BCI and compared the detailed EEG signal characteristics in several selected channels between age-matched subjects. In our study, we used partial correlation and took age as a covariate.…”

Section: Discussionmentioning

confidence: 99%

Relation Between Sensorimotor Rhythm During Motor Attempt/Imagery and Upper-Limb Motor Impairment in Stroke

et al. 2021

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Motor attempt (MA)/motor imagery (MI)-based brain–computer interface (BCI) is a newly developing rehabilitation technology for motor impairment. This study aims to explore the relationship between electroencephalography sensorimotor rhythm and motor impairment to provide reference for a BCI design. Twenty-eight stroke survivors with varying levels of motor dysfunction and spasticity status in the subacute or chronic stage were enrolled in the study to perform MA and MI tasks. Event-related desynchronization (ERD)/event-related synchronization (ERS) during and immediately after motor tasks were calculated. The Fugl–Meyer assessment scale (FMA) and the modified Ashworth scale (MAS) were applied to characterize upper-limb motor dysfunction and spasticity. There was a positive correlation between FMA total scores and ERS in the contralesional hemisphere in the MI task ( P < .05) and negative correlations between FMA total scores and ERD in both hemispheres in the MA task ( P < .05). Negative correlations were found between MAS scores of wrist flexors and ERD in the ipsilesional hemisphere ( P < .05) in the MA task. It suggests that motor dysfunction may be more correlated to ERS in the MI task and to ERD in the MA task while spasticity may be more correlated to ERD in the MA task.

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Section: Discussionmentioning

confidence: 99%

Relation Between Sensorimotor Rhythm During Motor Attempt/Imagery and Upper-Limb Motor Impairment in Stroke

et al. 2021

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“…Another implication that we may derive from the influence of CR on EEG reported in the reviewed studies concerns the potential benefits for the development of brain–computer interface (BCI) systems. Such systems refer to devices that operate based on brain signals rather than motor movements, providing an alternative communication channel (Velasco-Álvarez et al, 2013; Yu et al, 2021). For example, some studies reported that people with a neurodegenerative disease or old age may face difficulties when interacting with BCI systems because brain wave patterns may be less differentiable (Belkacem et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Neural correlates of cognitive reserve based on EEG signals: A systematic review.

Pereira da Silva,

da Silva-Sauer,

Karoline Gonçalves da Fonsêca

et al. 2023

Psychology & Neuroscience

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Background: Cognitive reserve (CR) is a construct for explaining cognitive and functional differences among individuals with similar levels of brain aging or pathology. Objective: We systematically reviewed studies that investigated the neural basis of CR by analyzing electrophysiological signals (EEG), as frequency bands and event-related potentials (ERP) to analyze whether CR would have any effect on the EEG. Method: Study protocol was registered in PROSPERO (CRD42020186722). The search was conducted on Pubmed/Medline, Scopus, and IEEE Xplore databases with combinations of the following terms in titles, abstracts, and keywords: "event-related potential," "evoked potential," "ERP," "electroencephalography," "brain rhythms," and "cognitive reserve." Results: We found 1,390 articles, 15 of which met the inclusion criteria. Information regarding sample characteristics, EEG equipment, and methods (channels, potentials, and tasks), CR proxies, studies main objectives, and results summary were systematized. Overall, 13 studies showed that higher CR levels were related to greater synchronization in frequency bands or to large amplitudes and faster latencies in ERPs. Conclusion: Even considering the great disparity between methods and samples of the analyzed studies, the results suggest that CR is related to the EEG. We discussed the evidence that CR may influence EEG signals and may be considered a promising technique to provide physiological biomarkers to estimate CR. Further implications regard the potential confounding effects of CR on studies of biomarkers or neural correlates of dementia or other brain pathology.This document is copyrighted by the American Psychological Association or one of its allied publishers.This article is intended solely for the personal use of the individual user and is not to be disseminated broadly.

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“…As for the habituation phenomenon, Yu et al [35] recently investigated the short-term habituation in the use of P300-based spellers and concluded that neither intra-run nor inter-run P300 habituation was found.…”

Section: Human Factors In P300 Detectionmentioning

confidence: 99%

“…In [49], researchers conducted a comparative study concluding that BCI accuracy and communication rate did not significantly differ between users with ALS and healthy, age-matched volunteers. Recently, Yu et al [35] conducted a comparative study involving people with ALS and healthy age-matched volunteers to study the habituation in the use of P300based spellers. Results showed that the ALS group performed as well as the healthy volunteers, concluding that P300 speller can be a reliable communication device for individuals with ALS.…”

Section: Characteristics Of the Participantsmentioning

confidence: 99%

Toward the Optimization of the Region-based P00 Speller

A¹,

AlSahly²,

AlShamass³

et al. 2021

Computers, Materials &Amp; Continua

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Technology has tremendously contributed to improving communication and facilitating daily activities. Brain-Computer Interface (BCI) study particularly emerged from the need to serve people with disabilities such as Amyotrophic Lateral Sclerosis (ALS). However, with the advancements in cost-effective electronics and computer interface equipment, the BCI study is flourishing, and the exploration of BCI applications for people without disabilities, to enhance normal functioning, is increasing. Particularly, the P300-based spellers are among the most promising applications of the BCI technology. In this context, the region-based paradigm for P300 BCI spellers was introduced in an effort to reduce the crowding effect and adjacency problem that might affect the detection of P300 peak. This study extends this line of research by investigating the effect, in terms of accuracy and usability, of the letters' distribution among the speller's regions. For this purpose, a clustering algorithm is proposed, and two region-based layouts were generated by redistributing the letters based on their dissimilarity or their similarity. A pilot usability evaluation was also conducted in order to assess the usability of the different layouts in terms of effectiveness, efficiency, and satisfaction. The results indicate that the distribution of the letters has an effect on the classification accuracy as well as the user experience. Particularly, when considering short-term accuracy and cognitive effort, the original region-based layout outperforms other layouts.

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Habituation of P300 in the Use of P300-based Brain-Computer Interface Spellers: Individuals With Amyotrophic Lateral Sclerosis Versus Age-Matched Controls

Cited by 7 publications

References 71 publications

Relation Between Sensorimotor Rhythm During Motor Attempt/Imagery and Upper-Limb Motor Impairment in Stroke

Relation Between Sensorimotor Rhythm During Motor Attempt/Imagery and Upper-Limb Motor Impairment in Stroke

Neural correlates of cognitive reserve based on EEG signals: A systematic review.

Toward the Optimization of the Region-based P00 Speller

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