Cited by 92EEG and Brain-Computer InterfacesGaze Tracking and Assistive TechnologyTactile and Sensory Interactions

Effects of training and motivation on auditory P300 brain-computer interface performance

Baykara, E., Ruf, C.A., Fioravanti, C., Käthner, I., Simon, N., Kleih, S.C., Kübler, A., Halder, S.·2016·Clinical Neurophysiology

Abstract

Objectives Brain-computer interface (BCI) technology aims at helping end-users with severe motor paralysis to communicate with their environment without using the natural output pathways of the brain. For end-users in complete paralysis, loss of gaze control may necessitate non-visual BCI systems. The present study investigated the effect of training on performance with an auditory P300 multi-class speller paradigm. For half of the participants, spatial cues were added to the auditory stimuli to see whether performance can be further optimized. The influence of motivation, mood and workload on performance and P300 component was also examined.Methods In five sessions, 16 healthy participants were instructed to spell several words by attending to animal sounds representing the rows and columns of a 5 × 5 letter matrix.Results 81% of the participants achieved an average online accuracy of ⩾ 70%. From the first to the fifth session information transfer rates increased from 3.72 bits/min to 5.63 bits/min. Motivation significantly influenced P300 amplitude and online ITR. No significant facilitative effect of spatial cues on performance was observed.Conclusions Training improves performance in an auditory BCI paradigm. Motivation influences performance and P300 amplitude.Significance The described auditory BCI system may help end-users to communicate independently of gaze control with their environment.

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  • Various psychological factors, such as motivation, attention, and stress, have been implicated in these negative effects, which are quite frequent in MI BCI operation.

    “Various psychological factors (such as motivation, attention, and stress) have been implicated in these negative effects [2,47,53,66–68], which unfortunately are quite frequent in MI BCI operation.”

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Authors
Baykara, E., Ruf, C. A., Fioravanti, C., Käthner, I., Simon, N., Kleih, S. C., Kübler, A., & Halder, S.
Affiliations
  • University of Würzburg (DE)
  • University of Tübingen (DE)
Corresponding author
Baykara, E.
Venue
Clinical Neurophysiology
Publisher
Elsevier BV
Published
2016-01
Volume
127
Issue
1
Pages
379-387
ISSN
1388-2457 (ISSN-L)
OpenAlex
W1997293236
Cited by
91
References
75
Citations by year
2026: 3 · 2025: 4 · 2024: 9 · 2023: 5 · 2022: 10 · 2021: 5 · 2020: 14 · 2019: 8 · 2018: 8 · 2017: 14 · 2016: 8 · 2015: 3
FWCI
6.61
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
  • Open Access at Essex (University of Essex) (acceptedVersion)
Funders
  • European Community (FP7, 2007-13)
  • Japan Society for the Promotion of Science
  • Alexander von Humboldt Foundation
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
  • Physical Sciences › Computer Science › Human-Computer Interaction › Gaze Tracking and Assistive Technology
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
auditory P300, brain-computer interface, training effects, motivation, spatial cues, information transfer rate, P300 amplitude, motor paralysis, communication aids
MeSH terms
Acoustic Stimulation, Adult, Auditory Cortex, Electroencephalography, Female, Humans, Male, Motivation, Event-Related Potentials, P300, Young Adult, Brain-Computer Interfaces

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