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Combining Brain-Computer Interfaces and Haptics: Detecting Mental Workload to Adapt Haptic Assistance

  • Laurent George
  • Maud Marchal
  • Loeiz Glondu
  • Anatole Lécuyer
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7282)

Abstract

In this paper we introduce the combined use of Brain-Computer Interfaces (BCI) and Haptic interfaces. We propose to adapt haptic guides based on the mental activity measured by a BCI system. This novel approach is illustrated within a proof-of-concept system: haptic guides are toggled during a path-following task thanks to a mental workload index provided by a BCI. The aim of this system is to provide haptic assistance only when the user’s brain activity reflects a high mental workload. A user study conducted with 8 participants shows that our proof-of-concept is operational and exploitable. Results show that activation of haptic guides occurs in the most difficult part of the path-following task. Moreover it allows to increase task performance by 53% by activating assistance only 59% of the time. Taken together, these results suggest that BCI could be used to determine when the user needs assistance during haptic interaction and to enable haptic guides accordingly.

Keywords

Brain-Computer Interface EEG Force-Feedback Adaptation Mental Workload Guidance 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Laurent George
    • 1
    • 2
    • 4
  • Maud Marchal
    • 1
    • 2
    • 4
  • Loeiz Glondu
    • 3
    • 4
  • Anatole Lécuyer
    • 1
    • 4
  1. 1.INRIARennesFrance
  2. 2.INSARennesFrance
  3. 3.ENS CachanBruzFrance
  4. 4.IRISARennesFrance

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