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Influence of Error Rate on Frustration of BCI Users

Andéol Évain 1 Ferran Argelaguet Sanz 1 Anthony Strock 2 Nicolas Roussel 3 Géry Casiez 3 Anatole Lécuyer 1 
1 Hybrid - 3D interaction with virtual environments using body and mind
Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
3 MJOLNIR - Computing tools to empower users
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
Abstract : Brain-Computer Interfaces (BCIs) are still much less reliable than other input devices. The error rates of BCIs range from 5% up to 60%. In this paper, we assess the subjective frustration, motivation, and fatigue of BCI users, when confronted to different levels of error rate. We conducted a BCI experiment in which the error rate was artificially controlled. Our results first show that a prolonged use of BCI significantly increases the perceived fatigue, and induces a drop in motivation. We also found that user frustration increases with the error rate of the system but this increase does not seem critical for small differences of error rate. Thus, for future BCIs, we would advise to favor user comfort over accuracy when the potential gain of accuracy remains small.
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Submitted on : Thursday, October 27, 2016 - 11:12:29 AM
Last modification on : Tuesday, December 6, 2022 - 12:42:13 PM


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Andéol Évain, Ferran Argelaguet Sanz, Anthony Strock, Nicolas Roussel, Géry Casiez, et al.. Influence of Error Rate on Frustration of BCI Users. AVI'16 - International Working Conference on Advanced Visual Interfaces, Jun 2016, Bari, Italy. pp.248--251, ⟨10.1145/2909132.2909278⟩. ⟨hal-01388552⟩



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