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Tribology of a Braille Display and EEG Correlates

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Abstract

Friction forces between human fingertip and a Braille display were recorded simultaneously with electroencephalographic (EEG) signals related to the somatosensory cortex. The correlation between frictional stimuli and event-related EEG signals was analyzed. Raising and lowering the dots of the Braille display caused significant N50 and P110 waves in the event-related EEG signal, but variations in the force stimulus by a factor of two between different Braille pattern did not cause significant differences in the EEG responses related to early tactile processing. Raising and lowering the dots of the Braille display triggers a characteristic temporal development of friction due to viscoelastic skin relaxation.

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Acknowledgements

We acknowledge continuing support for this project by Eduard Arzt.

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Authors and Affiliations

  1. INM - Leibniz Institute for New Materials, Campus D2 2, Saarbrücken, Germany

    Novaf Özgün & Daniel J. Strauss

  2. Systems Neuroscience and Neurotechnology Unit, Faculty of Medicine, Saarland University, Saarbrücken, Germany

    Novaf Özgün

  3. INM - Leibniz Institute for New Materials and Physics Department, Saarland University, Campus D2 2, Saarbrücken, Germany

    Roland Bennewitz

Authors
  1. Novaf Özgün
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  2. Daniel J. Strauss
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  3. Roland Bennewitz
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Correspondence to Roland Bennewitz.

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Özgün, N., Strauss, D.J. & Bennewitz, R. Tribology of a Braille Display and EEG Correlates. Tribol Lett 66, 16 (2018). https://doi.org/10.1007/s11249-017-0969-7

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  • DOI: https://doi.org/10.1007/s11249-017-0969-7

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