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Communication Dans Un Congrès Année : 2019

Are users' traits informative enough to predict/explain their mental-imagery based BCI performances ?

Camille Benaroch
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Camille Jeunet
Fabien Lotte

Résumé

Mental-Imagery based Brain-Computer Interfaces (MI-BCIs) make use of brain signals produced during mental imagery tasks to control a computerised system. The current unreliability of MI-BCIs could be due, at least in part, to the use of inappropriate user-training procedures. In order to improve these procedures , it is necessary first to understand the mechanisms underlying MI-BCI user-training, notably through the identification of the factors influencing it. Thus, this paper aims at creating a statistical model that could explain/predict the performances of MI-BCI users using their traits (e.g., personality). We used the data of 42 participants (i.e., 180 MI-BCI sessions in total) collected from three different studies that were based on the same MI-BCI paradigm. We used machine learning regressions with a leave-one-subject-out cross validation to build different models. Our first results showed that using the users' traits only may enable the prediction of performances within one multiple-session experiment, but might not be sufficient to reliably predict MI-BCI performances across experiments.
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Dates et versions

hal-02111581 , version 1 (26-04-2019)

Identifiants

  • HAL Id : hal-02111581 , version 1

Citer

Camille Benaroch, Camille Jeunet, Fabien Lotte. Are users' traits informative enough to predict/explain their mental-imagery based BCI performances ?. 8th Graz Brain-Computer Interface Conference 2019, Sep 2019, Graz, Austria. ⟨hal-02111581⟩
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